Plant Propagation Guide: Seeds, Cuttings & Nursery Methods

Eastern red cedar available from Pine Barrens Botanicals

Use this reference to compare seed timing, seed treatment, cutting timing, vegetative propagation methods, difficulty, and practical nursery notes across 171 trees, shrubs, vines, grasses, flowers, food crops, and growing materials.

Timing varies by region. Match each protocol to your local frost dates, climate, provenance, and growing setup. Heated greenhouses, cold frames, and protected propagation spaces can shift dates earlier or later.

Plant propagation basics

Plant propagation index

The entries are arranged alphabetically. On a phone or computer, use your browser’s “Find on Page” feature to jump directly to a plant.

American beech

Fagus grandifolia

NATIVE TREES & SHRUBSModerate
Seed timing
Fall → spring
Seed
Keep nuts moist; cold-moist stratify about 90–120 days, then sow 1–2 in deep. Seed is recalcitrant-ish and loses viability if dried.
Cutting timing
Late spring–summer
Cuttings
Stem cuttings are difficult. Use seed for species; grafting can maintain selected clones.
Best nursery method
Seed
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

American chestnut hybrids

NUT TREESModerate from seed; hard from cuttings
Seed timing
Oct–Nov → spring
Seed
Keep nuts moist and cool; do not allow drying. Cold-moist stratify about 60–120 days and sow 1–2 in deep. Protect from rodents.
Cutting timing
Juvenile softwood trial only
Cuttings
Chestnut cuttings are difficult. Use juvenile softwood shoots under mist with strong IBA; grafting/budding is preferred for named cultivars/hybrids.
Best nursery method
Seed; grafting for selected clones
Protocol specificity
Crop group
Key nursery notes
For blight-resistance lines, keep provenance and parentage records.

American elderberry

NURSERY SELECTIONSEasy
Seed timing
Fall collection; sow outdoors or stratify
Seed
Clean pulp. Seed commonly has deep/double dormancy; use warm stratification about 60–90 days followed by cold-moist stratification about 90 days, or fall sow and allow natural cycling.
Cutting timing
Dormant hardwood Nov–Mar or softwood May–Jun
Cuttings
Hardwood cuttings 8–12 in with 2–3 nodes root readily; stick vertically with 1–2 buds above medium. Softwood tips also root under mist; light IBA optional.
Best nursery method
Hardwood cuttings
Protocol specificity
Specific
Key nursery notes
Cuttings preserve berry/flower traits and are faster than seed.

American elm

TREE SEEDLINGSModerate
Seed timing
May–Jun; sow immediately
Seed
Collect samaras when they turn tan in spring and sow immediately; many American elm seed lots need no stratification.
Cutting timing
Late spring–summer
Cuttings
Softwood cuttings from juvenile shoots can root under mist with 2,000–5,000 ppm IBA; clonal disease-resistant elms are commonly vegetatively propagated.
Best nursery method
Softwood cuttings for selected clones; seed for species
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

American hazelnut

NUT TREESModerate
Seed timing
Sep–Oct → spring
Seed
Cold-moist stratify nuts roughly 90–120 days; sow 1–2 in deep and protect from rodents.
Cutting timing
Softwood Jun; layering spring
Cuttings
Softwood cuttings can root with mist and 2,000–5,000 ppm IBA; mound/stool layering or division of suckers is often more reliable.
Best nursery method
Layering / suckers; seed for genetic stock
Protocol specificity
Specific
Key nursery notes
Clone superior nut selections vegetatively.

American holly

TREE SEEDLINGSModerate
Seed timing
Fall collection; long dormancy
Seed
Clean berries thoroughly. Warm stratify roughly 60–90 days then cold-moist stratify 90–120 days; some lots germinate in the second season.
Cutting timing
Semi-hardwood Jul–Sep
Cuttings
Use 3–6 in semi-hardwood cuttings; wound base and use moderate-to-strong IBA (about 2,000–5,000 ppm) under mist in perlite/peat.
Best nursery method
Semi-hardwood cuttings
Protocol specificity
Genus
Key nursery notes
For berry production, label sex and clone known female/male plants as needed.

American persimmon

FRUIT TREESModerate
Seed timing
Fall fruit → spring
Seed
Clean seed; cold-moist stratify about 60–90 days, then sow 1/2–1 in deep in warm spring conditions.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Stem cuttings are difficult. Root cuttings/suckers can work; graft named female cultivars onto seedling rootstocks.
Best nursery method
Seed for rootstocks; grafting/root cuttings for clones
Protocol specificity
Crop/common-name specific
Key nursery notes
Seedlings will be genetically variable; clone named cultivars.

American plum

HABITAT & SUPPORT PLANTSModerate
Seed timing
Fall fruit → spring
Seed
Clean pits. Cold-moist stratify about 90–120 days; crack endocarp only if using controlled protocols and avoid damaging kernel.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Softwood cuttings can root for some plum/rootstock types; most fruit cultivars are propagated by budding/grafting. Beach plum can also be softwood-cut.
Best nursery method
Grafting/budding; softwood cuttings for some plums
Protocol specificity
Crop/common-name specific
Key nursery notes
Seedlings will be genetically variable; clone named cultivars.

Apple

FRUIT TREESModerate
Seed timing
Fall fruit → spring
Seed
Clean mature seed; cold-moist stratify about 60–90 days, then sow 1/4–1/2 in deep.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Dormant hardwood/root cuttings are possible for some rootstocks but named apples are normally propagated by grafting or budding onto selected rootstocks.
Best nursery method
Grafting/budding
Protocol specificity
Crop/common-name specific
Key nursery notes
Seedlings will be genetically variable; clone named cultivars.

Arrowwood viburnum

Viburnum dentatum

NATIVE TREES & SHRUBSModerate
Seed timing
Fall collection; often 2-season germination
Seed
Clean fruit. Many Viburnum have complex dormancy: use warm-moist stratification about 60–90 days followed by cold-moist stratification 90–120 days; some may require another warm period.
Cutting timing
Softwood May–Jun
Cuttings
Use 4–6 in softwood cuttings from vigorous juvenile shoots; wound lightly and use 1,000–3,000 ppm IBA in perlite/peat under mist.
Best nursery method
Softwood cuttings
Protocol specificity
Genus
Key nursery notes
Cuttings are preferred for uniform nursery clones; seed can be slow.

Asparagus

PERENNIALS & FLOWERSEasy–Moderate
Seed timing
Late winter–spring
Seed
Soak seed 12–24 hr; sow 1/2–1 in deep around 70–75°F. Transplant crowns after a full season.
Cutting timing
Early spring
Cuttings
Not stem cuttings. Divide mature crowns carefully so each division has multiple healthy buds and roots.
Best nursery method
Seed for volume; crowns/division for cloning
Protocol specificity
Specific
Key nursery notes
Seed is economical but takes longer to size.

Aster

LANDSCAPE SELECTIONModerate
Seed timing
Varies
Seed
Verify exact species/cultivar. Use clean seed-starting mix; sow at a depth appropriate to seed size and keep evenly moist.
Cutting timing
Varies
Cuttings
Verify exact species/cultivar. Trial softwood or semi-hardwood cuttings under high humidity in a sterile, well-drained medium; use rooting hormone when appropriate.
Best nursery method
Seed or cuttings, depending on stock goal
Protocol specificity
General category
Key nursery notes
Broad catalog category; exact propagation depends on the species/cultivar sold.

Atlantic white cedar

Chamaecyparis thyoides

NATIVE TREES & SHRUBSModerate
Seed timing
Cone/fruit maturity → fall or spring
Seed
Extract very small seed from ripe cones; cold-moist stratify 30–60 days and surface/shallow sow with light.
Cutting timing
Late summer–winter
Cuttings
Juvenile softwood/semi-hardwood cuttings can root with mist and moderate IBA; keep media evenly moist, not saturated.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For seedling production, seed is usually cheaper and faster than cuttings.

Austrian pine

TREE SEEDLINGSHard for cuttings
Seed timing
Cone/fruit maturity → fall or spring
Seed
Cold-moist stratify about 30–60 days, then sow shallow in spring.
Cutting timing
Late summer–winter
Cuttings
Stem cuttings of most pines are difficult. Trial only very juvenile shoots with strong IBA and mist; use seed for normal production.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For seedling production, seed is usually cheaper and faster than cuttings.

Autumn olive replacement: bayberry

HABITAT & SUPPORT PLANTSModerate
Seed timing
Fall → spring
Seed
Remove waxy coating/pulp; warm stratify about 60–90 days then cold-moist stratify 60–90 days. Germination can be slow.
Cutting timing
Late spring–summer
Cuttings
Semi-hardwood cuttings and sucker division can work; use juvenile shoots, wound and moderate IBA.
Best nursery method
Suckers / semi-hardwood cuttings
Protocol specificity
Specific/common-name
Key nursery notes
Use local ecotype/provenance when producing restoration stock.

Beach plum

HABITAT & SUPPORT PLANTSModerate
Seed timing
Fall fruit → spring
Seed
Clean pits. Cold-moist stratify about 90–120 days; crack endocarp only if using controlled protocols and avoid damaging kernel.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Softwood cuttings can root for some plum/rootstock types; most fruit cultivars are propagated by budding/grafting. Beach plum can also be softwood-cut.
Best nursery method
Grafting/budding; softwood cuttings for some plums
Protocol specificity
Crop/common-name specific
Key nursery notes
Seedlings will be genetically variable; clone named cultivars.

Bee balm

Monarda fistulosa

POLLINATOR PLANTSEasy
Seed timing
Fall–early spring
Seed
Surface sow; 30 days cold can improve uniformity but many lots germinate without it.
Cutting timing
Spring–early summer
Cuttings
Take 3–4 in nonflowering tip cuttings in spring/early summer or divide crowns.
Best nursery method
Division / soft cuttings
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

Black cherry

TREE SEEDLINGSModerate
Seed timing
Aug–Sep → spring
Seed
Clean ripe cherries/pits. Cold-moist stratify about 90–120 days; sow 1/2–1 in deep. Keep seed moist during treatment.
Cutting timing
Late spring–summer (trial)
Cuttings
Stem cuttings are inconsistent. Use juvenile softwood shoots under mist with moderate IBA; seed is standard for restoration stock and grafting can maintain selected clones.
Best nursery method
Seed; grafting for selected clones
Protocol specificity
Specific/common-name
Key nursery notes
Seed-grown plants are variable; keep provenance records for restoration stock.

Black chokeberry

Aronia melanocarpa

NATIVE TREES & SHRUBSEasy–Moderate
Seed timing
Fall → spring
Seed
Clean fruit; cold-moist stratify about 90–120 days. Surface/shallow sow after treatment.
Cutting timing
Softwood May–Jul
Cuttings
4–6 in softwood cuttings root readily with 1,000–3,000 ppm IBA under mist; suckers/division also work.
Best nursery method
Softwood cuttings / suckers
Protocol specificity
Genus
Key nursery notes
Vegetative propagation preserves berry color/form.

Black gum / Tupelo

Nyssa sylvatica

NATIVE TREES & SHRUBSModerate–Hard
Seed timing
Fall → spring
Seed
Clean fruit; cold-moist stratify about 90–120 days. Sow about 1/2 in deep.
Cutting timing
Late spring–summer
Cuttings
Stem cuttings are difficult; use very juvenile softwood material with mist/IBA or grafting for selected clones.
Best nursery method
Seed
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

Black huckleberry

Gaylussacia baccata

NATIVE TREES & SHRUBSModerate–Hard
Seed timing
Late winter–spring after fruit cleaning
Seed
Extract seed from ripe fruit, rinse and surface-sow on fine acidic peat/sand; provide light. A short cold-moist period (4–8 weeks) can improve uniformity for some lots. Do not bury deeply.
Cutting timing
Late spring–mid summer
Cuttings
Use softwood or semi-hardwood leafy cuttings in acidic, well-aerated peat/perlite or peat/sand. Wound lightly and use 1,000–3,000 ppm IBA; maintain mist/high humidity and bottom heat around 68–72°F.
Best nursery method
Softwood/semi-hardwood cuttings
Protocol specificity
Genus/species-group
Key nursery notes
Often slower than blueberry; trial juvenile stock and maintain acidic media/high humidity.

Black locust

HABITAT & SUPPORT PLANTSEasy–Moderate
Seed timing
Fall–spring
Seed
Hard seed coat. Scarify mechanically or pour hot (not boiling) water over seed and soak 12–24 hr; sow once seed swells. Cold stratification is usually not necessary after successful scarification.
Cutting timing
Dormant root cuttings; softwood late spring
Cuttings
Root cuttings 2–4 in long are effective, especially for black locust. Softwood cuttings from juvenile stock can also root with IBA.
Best nursery method
Seed for volume; root cuttings for clones
Protocol specificity
Genus
Key nursery notes
Black locust can spread aggressively; manage suckering and verify local sales guidance.

Black oak

Quercus velutina

NATIVE TREES & SHRUBSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect sound acorns at drop. Keep moist, never dry. Cold-moist stratify about 30–90 days (red-oak group) and sow 1–2 in deep in spring; protect from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Black raspberry

BERRIES & BRAMBLESEasy
Seed timing
Late summer–fall
Seed
Seed has hard coat/dormancy. Clean fruit; scarification plus 60–90 days warm followed by 90 days cold is commonly used. Seed is slow and variable.
Cutting timing
Root cuttings dormant season; tip layering summer; leafy cuttings spring–summer
Cuttings
Root cuttings 2–4 in long in moist medium; black raspberry is especially easy by tip layering. Softwood cuttings can root under mist.
Best nursery method
Root cuttings / tip layering
Protocol specificity
Crop group
Key nursery notes
Use virus-clean mother stock for nursery production.

Black walnut

NUT TREESModerate
Seed timing
Sep–Nov → spring
Seed
Remove husks. Cold-moist stratify nuts about 90–120 days; sow 1–2 in deep and protect from rodents.
Cutting timing
Juvenile shoots only; grafting preferred
Cuttings
Stem cuttings are difficult. Use grafting/budding for superior selections; root cuttings can occasionally produce shoots but are not the routine nursery method.
Best nursery method
Seed / grafting
Protocol specificity
Specific
Key nursery notes
Keep nuts moist during stratification; seedlings develop taproots quickly.

Black-eyed Susan

Rudbeckia hirta

POLLINATOR PLANTSEasy
Seed timing
Feb–May / direct sow after frost
Seed
Surface or shallow sow. Fresh seed often germinates without treatment; 30 days cold-moist stratification can improve uniformity in perennial/native lots.
Cutting timing
Spring–summer
Cuttings
Basal/herbaceous cuttings in spring can root, but seed or division is usually simpler.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For named cultivars/hybrids, saved seed may not come true.

Blackberry

BERRIES & BRAMBLESEasy
Seed timing
Late summer–fall
Seed
Seed has hard coat/dormancy. Clean fruit; scarification plus 60–90 days warm followed by 90 days cold is commonly used. Seed is slow and variable.
Cutting timing
Root cuttings dormant season; tip layering summer; leafy cuttings spring–summer
Cuttings
Root cuttings 2–4 in long in moist medium; black raspberry is especially easy by tip layering. Softwood cuttings can root under mist.
Best nursery method
Root cuttings / tip layering
Protocol specificity
Crop group
Key nursery notes
Use virus-clean mother stock for nursery production.

Blackhaw viburnum

Viburnum prunifolium

NATIVE TREES & SHRUBSModerate
Seed timing
Fall collection; often 2-season germination
Seed
Clean fruit. Many Viburnum have complex dormancy: use warm-moist stratification about 60–90 days followed by cold-moist stratification 90–120 days; some may require another warm period.
Cutting timing
Softwood May–Jun
Cuttings
Use 4–6 in softwood cuttings from vigorous juvenile shoots; wound lightly and use 1,000–3,000 ppm IBA in perlite/peat under mist.
Best nursery method
Softwood cuttings
Protocol specificity
Genus
Key nursery notes
Cuttings are preferred for uniform nursery clones; seed can be slow.

Blackjack oak

Quercus marilandica

NATIVE TREES & SHRUBSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect sound acorns at drop. Keep moist, never dry. Cold-moist stratify about 30–90 days (red-oak group) and sow 1–2 in deep in spring; protect from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Blazing star

Liatris spicata

POLLINATOR PLANTSEasy–Moderate
Seed timing
Fall–early spring
Seed
Cold-moist stratify 30–90 days; surface/shallow sow.
Cutting timing
Spring–early summer
Cuttings
Not stem cuttings. Divide corms/tubers in dormant season.
Best nursery method
Seed / corm division
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

Blue flag iris

Iris versicolor

POLLINATOR PLANTSEasy
Seed timing
Fall / winter stratification
Seed
Fresh seed benefits from 60–120 days cold-moist stratification; sow shallow and keep evenly moist.
Cutting timing
Late summer–early fall
Cuttings
Not stem cuttings. Divide rhizomes; keep a healthy fan and firm rhizome section per division.
Best nursery method
Rhizome division
Protocol specificity
Specific
Key nursery notes
Division is much faster and preserves selected clones.

Blueberry

FRUIT TREESModerate
Seed timing
Late winter–spring after fruit cleaning
Seed
Extract seed from ripe fruit, rinse and surface-sow on fine acidic peat/sand; provide light. A short cold-moist period (4–8 weeks) can improve uniformity for some lots. Do not bury deeply.
Cutting timing
Late spring–mid summer
Cuttings
Use softwood or semi-hardwood leafy cuttings in acidic, well-aerated peat/perlite or peat/sand. Wound lightly and use 1,000–3,000 ppm IBA; maintain mist/high humidity and bottom heat around 68–72°F.
Best nursery method
Softwood/semi-hardwood cuttings
Protocol specificity
Genus/species-group
Key nursery notes
Keep media acidic; cuttings preserve selected fruit traits. Seedlings vary.

Boneset

Eupatorium perfoliatum

POLLINATOR PLANTSEasy–Moderate
Seed timing
Fall–early spring
Seed
Surface sow after 30–60 days cold-moist stratification; light aids germination.
Cutting timing
Spring–early summer
Cuttings
Basal cuttings or division in spring; maintain high humidity.
Best nursery method
Seed / division
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

Bonsai stock trees

SPECIALTY NURSERYModerate
Seed timing
Varies
Seed
Verify exact species/cultivar. Use clean seed-starting mix; sow at a depth appropriate to seed size and keep evenly moist.
Cutting timing
Varies
Cuttings
Verify exact species/cultivar. Trial softwood or semi-hardwood cuttings under high humidity in a sterile, well-drained medium; use rooting hormone when appropriate.
Best nursery method
Seed or cuttings, depending on stock goal
Protocol specificity
General category
Key nursery notes
Broad catalog category; exact propagation depends on the species/cultivar sold.

Boxelder maple

MAPLESModerate
Seed timing
Sep–Nov → spring
Seed
Collect mature samaras in fall; cold-moist stratify about 60–90 days before spring sowing.
Cutting timing
May–Jun
Cuttings
Take softwood cuttings May–Jun from juvenile shoots; wound lightly, use 2,000–5,000 ppm IBA, root under mist. Some maples are much easier than others; grafting is preferred for named Japanese maple cultivars.
Best nursery method
Seed for seedlings; cuttings/grafting for clones
Protocol specificity
Species/common-name specific
Key nursery notes
Seedlings of named cultivars do not come true.

Butterfly milkweed

Asclepias tuberosa

POLLINATOR PLANTSEasy–Moderate
Seed timing
Fall–early spring
Seed
Cold-moist stratify 30–60 days, then shallow sow at 65–75°F.
Cutting timing
Spring–early summer
Cuttings
Root cuttings are more reliable than stem cuttings for many milkweeds; take dormant root sections or divide young shoots carefully.
Best nursery method
Seed / root cuttings
Protocol specificity
Species/common-name specific
Key nursery notes
Butterfly milkweed dislikes disturbance once mature; seed is usually the cleanest method.

Buttonbush

Cephalanthus occidentalis

NATIVE TREES & SHRUBSEasy
Seed timing
Fall or spring
Seed
Clean nutlets; usually little dormancy. Surface or very shallow sow with light and constant moisture; short cold stratification (30–60 days) can improve uniformity.
Cutting timing
Softwood May–Jul
Cuttings
4–6 in softwood cuttings root readily under mist; use light IBA and a moisture-retentive but aerated medium.
Best nursery method
Softwood cuttings
Protocol specificity
Specific
Key nursery notes
Do not let young plants dry; naturally wet-site adapted.

Cardinal flower

Lobelia cardinalis

POLLINATOR PLANTSEasy–Moderate
Seed timing
Fall–early spring
Seed
Tiny seed; cold-moist stratify 30–60 days and surface sow with light; keep consistently moist.
Cutting timing
Spring–early summer
Cuttings
Basal offsets/rosettes or soft stem cuttings can root in constantly moist media.
Best nursery method
Seed / division
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

Cherry

FRUIT TREESModerate
Seed timing
Fall fruit → spring
Seed
Clean pits and prevent drying. Cold-moist stratify about 90–120 days; some species benefit from a warm period before cold.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Softwood cuttings can root in some cherries, but grafting/budding or seedling rootstocks are more reliable for fruit cultivars.
Best nursery method
Seed for species/rootstocks; grafting for cultivars
Protocol specificity
Crop/common-name specific
Key nursery notes
Seedlings will be genetically variable; clone named cultivars.

Chestnut oak

Quercus montana

NATIVE TREES & SHRUBSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect acorns as soon as they drop. Keep moist and cool; do not let them dry. White-oak-group acorns have little dormancy and may begin rooting in fall; sow immediately 1–2 in deep, protected from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Chinese chestnut

NUT TREESModerate from seed; hard from cuttings
Seed timing
Oct–Nov → spring
Seed
Keep nuts moist and cool; do not allow drying. Cold-moist stratify about 60–120 days and sow 1–2 in deep. Protect from rodents.
Cutting timing
Juvenile softwood trial only
Cuttings
Chestnut cuttings are difficult. Use juvenile softwood shoots under mist with strong IBA; grafting/budding is preferred for named cultivars/hybrids.
Best nursery method
Seed; grafting for selected clones
Protocol specificity
Crop group
Key nursery notes
For blight-resistance lines, keep provenance and parentage records.

Chinese elm

LANDSCAPE SELECTIONEasy–Moderate
Seed timing
Spring or fall maturity
Seed
Use fresh seed. Many lots germinate without stratification; if stored, 30–60 days cold-moist stratification can improve uniformity. Sow shallow.
Cutting timing
Softwood May–Jul
Cuttings
Take 3–5 in softwood cuttings from vigorous shoots; use light–moderate IBA and root under mist in perlite/peat.
Best nursery method
Softwood cuttings / seed
Protocol specificity
Specific/common-name
Key nursery notes
Cuttings preserve selected ornamental traits.

Common milkweed

Asclepias syriaca

POLLINATOR PLANTSEasy–Moderate
Seed timing
Fall–early spring
Seed
Cold-moist stratify 30–60 days, then shallow sow at 65–75°F.
Cutting timing
Spring–early summer
Cuttings
Root cuttings are more reliable than stem cuttings for many milkweeds; take dormant root sections or divide young shoots carefully.
Best nursery method
Seed / root cuttings
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

Common witch hazel

Hamamelis virginiana

NATIVE TREES & SHRUBSHard
Seed timing
Fall collection; long dormancy
Seed
Seed has deep dormancy. Use warm-moist stratification about 60–120 days followed by cold-moist stratification 90–120 days; germination may take 2 seasons.
Cutting timing
Softwood early summer
Cuttings
Softwood cuttings can root but are inconsistent; use juvenile shoots, wound, 4,000–8,000 ppm IBA, mist and bottom heat. Layering is often easier.
Best nursery method
Seed for species; layering/cuttings for clones
Protocol specificity
Specific
Key nursery notes
Plan long lead times for seed-grown stock.

Coreopsis

Coreopsis spp.

POLLINATOR PLANTSEasy
Seed timing
Feb–May / direct sow after frost
Seed
Surface or shallow sow; many Coreopsis germinate without treatment, while some perennial species benefit from 30 days cold-moist stratification.
Cutting timing
Spring–summer
Cuttings
Take basal or soft tip cuttings in spring/early summer; keep under light mist.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For named cultivars/hybrids, saved seed may not come true.

Cranberry

Vaccinium macrocarpon

BERRIES & WETLAND CROPSEasy–Moderate
Seed timing
Late winter–spring after fruit cleaning
Seed
Extract seed from ripe fruit, rinse and surface-sow on fine acidic peat/sand; provide light. A short cold-moist period (4–8 weeks) can improve uniformity for some lots. Do not bury deeply.
Cutting timing
Late spring–mid summer
Cuttings
Use 3–5 in runner/upright cuttings inserted directly into acidic peat/sand; keep uniformly moist until rooted.
Best nursery method
Runner/stem cuttings
Protocol specificity
Genus/species-group
Key nursery notes
Keep media acidic; cuttings preserve selected fruit traits. Seedlings vary.

Cucumber

VINES & CLIMBERSEasy
Seed timing
Feb–May / direct sow after frost
Seed
Sow fresh seed in spring; usually no stratification. Use 70–85°F; cover about 1–2× seed thickness (larger seeds deeper).
Cutting timing
Spring–summer
Cuttings
Generally not used commercially; take soft herbaceous tip cuttings only as a trial under mist.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For named cultivars/hybrids, saved seed may not come true.

Culinary herbs

VEGETABLES & HERBSEasy
Seed timing
Late winter–spring
Seed
Most annual herbs sow readily at 65–75°F; perennial herbs may need light or brief chilling depending on species.
Cutting timing
Spring–summer
Cuttings
Many perennial herbs root from 3–5 in nonflowering tip cuttings in a moist, airy medium; keep humid but not saturated.
Best nursery method
Seed for annuals; cuttings/division for perennials
Protocol specificity
General category
Key nursery notes
Exact method varies strongly by herb species.

Curly willow

LANDSCAPE SELECTIONVery easy
Seed timing
Late spring when seed ripens
Seed
Seed is tiny and short-lived; sow immediately on moist surface with light and constant moisture. Do not dry or store long.
Cutting timing
Dormant late fall–early spring; softwood spring
Cuttings
Stick 8–18 in hardwood whips directly into moist medium/soil with several nodes buried. Rooting hormone usually unnecessary.
Best nursery method
Hardwood cuttings
Protocol specificity
Specific genus
Key nursery notes
Ideal for living structures and rapid liner production.

Cut flowers

PERENNIALS & FLOWERSEasy–Moderate
Seed timing
Late winter–spring / direct sow
Seed
Annual cut flowers are usually seed-grown; sow by species at the recommended depth and temperature.
Cutting timing
Spring–summer for clonal crops
Cuttings
Herbaceous tip cuttings work for crops commonly cloned (e.g., mums, coleus); many annuals are not worth cloning.
Best nursery method
Seed or clonal cuttings by crop
Protocol specificity
General category
Key nursery notes
Keep a crop-by-crop protocol once the production list is finalized.

Dangleberry / Blue huckleberry

Gaylussacia frondosa

NATIVE TREES & SHRUBSModerate–Hard
Seed timing
Late winter–spring after fruit cleaning
Seed
Extract seed from ripe fruit, rinse and surface-sow on fine acidic peat/sand; provide light. A short cold-moist period (4–8 weeks) can improve uniformity for some lots. Do not bury deeply.
Cutting timing
Late spring–mid summer
Cuttings
Use softwood or semi-hardwood leafy cuttings in acidic, well-aerated peat/perlite or peat/sand. Wound lightly and use 1,000–3,000 ppm IBA; maintain mist/high humidity and bottom heat around 68–72°F.
Best nursery method
Softwood/semi-hardwood cuttings
Protocol specificity
Genus/species-group
Key nursery notes
Often slower than blueberry; trial juvenile stock and maintain acidic media/high humidity.

Douglas fir

TREE SEEDLINGSHard for cuttings
Seed timing
Cone/fruit maturity → fall or spring
Seed
Cold-moist stratify 21–60 days; sow shallow in spring at cool temperatures.
Cutting timing
Late summer–winter
Cuttings
Juvenile cuttings can root but are difficult and may show plagiotropism; use seed for routine nursery stock.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For seedling production, seed is usually cheaper and faster than cuttings.

Eastern red cedar

TREE SEEDLINGSModerate–Hard
Seed timing
Cone/fruit maturity → fall or spring
Seed
Remove fleshy cone coating; scarify lightly, then warm-moist stratify 30–60 days followed by cold-moist stratification about 90 days. Fall sowing often works well.
Cutting timing
Late summer–winter
Cuttings
Use heel cuttings from juvenile stock late summer–winter; wound and use 3,000–8,000 ppm IBA under mist.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For seedling production, seed is usually cheaper and faster than cuttings.

Eastern redbud

TREE SEEDLINGSModerate
Seed timing
Fall → spring
Seed
Scarify hard seed (nick or hot-water soak), then cold-moist stratify about 30–60 days; sow 1/4–1/2 in deep.
Cutting timing
Late spring–summer
Cuttings
Softwood cuttings can be difficult; named cultivars are often budded/grafted. Use juvenile shoots and strong IBA if trialing cuttings.
Best nursery method
Seed; grafting for cultivars
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

Eastern white pine

TREE SEEDLINGSHard for cuttings
Seed timing
Cone/fruit maturity → fall or spring
Seed
Cold-moist stratify about 30–60 days; sow 1/4–1/2 in deep in spring.
Cutting timing
Late summer–winter
Cuttings
Stem cuttings of most pines are difficult. Trial only very juvenile shoots with strong IBA and mist; use seed for normal production.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For seedling production, seed is usually cheaper and faster than cuttings.

Elderberry

BERRIES & BRAMBLESEasy
Seed timing
Fall collection; sow outdoors or stratify
Seed
Clean pulp. Seed commonly has deep/double dormancy; use warm stratification about 60–90 days followed by cold-moist stratification about 90 days, or fall sow and allow natural cycling.
Cutting timing
Dormant hardwood Nov–Mar or softwood May–Jun
Cuttings
Hardwood cuttings 8–12 in with 2–3 nodes root readily; stick vertically with 1–2 buds above medium. Softwood tips also root under mist; light IBA optional.
Best nursery method
Hardwood cuttings
Protocol specificity
Specific
Key nursery notes
Cuttings preserve berry/flower traits and are faster than seed.

English ivy

LANDSCAPE SELECTIONVery easy
Seed timing
Rarely used
Seed
Seed is uncommon in nursery production and seedlings vary; if fruit is available, clean and sow after a cool moist period.
Cutting timing
Spring–summer
Cuttings
Use 3–5 in tip or single-node cuttings; root in perlite/peat under high humidity. Hormone usually optional.
Best nursery method
Stem cuttings
Protocol specificity
Specific
Key nursery notes
Check local invasiveness guidance before expanding production.

Fig

FRUIT TREESEasy
Seed timing
Rarely used
Seed
Seed is mainly for breeding; seedlings will vary and many cultivated figs require pollination types not present locally.
Cutting timing
Late winter hardwood or spring–summer softwood
Cuttings
Use 6–10 in dormant hardwood cuttings or 3–6 in leafy cuttings; stick 1/2–2/3 depth in perlite/peat or coarse media. Low–moderate IBA optional; keep warm and evenly moist.
Best nursery method
Hardwood cuttings
Protocol specificity
Specific
Key nursery notes
Excellent clonal crop; label mother plants by cultivar.

Fig mother plants

NURSERY SELECTIONSEasy
Seed timing
Rarely used
Seed
Seed is mainly for breeding; seedlings will vary and many cultivated figs require pollination types not present locally.
Cutting timing
Late winter hardwood or spring–summer softwood
Cuttings
Use 6–10 in dormant hardwood cuttings or 3–6 in leafy cuttings; stick 1/2–2/3 depth in perlite/peat or coarse media. Low–moderate IBA optional; keep warm and evenly moist.
Best nursery method
Hardwood cuttings
Protocol specificity
Specific
Key nursery notes
Excellent clonal crop; label mother plants by cultivar.

Flower bulbs

PERENNIALS & FLOWERSEasy–Moderate
Seed timing
Species-dependent
Seed
Seeds are possible for many bulb species but often take multiple seasons to reach flowering size.
Cutting timing
N/A for most
Cuttings
Use offsets, bulblets, scales, or division rather than stem cuttings, depending on species.
Best nursery method
Offsets / division / bulblets
Protocol specificity
General category
Key nursery notes
Maintain cultivar identity vegetatively.

Flowering dogwood

Cornus florida

NATIVE TREES & SHRUBSModerate–Hard
Seed timing
Sep–Oct → spring
Seed
Depulp ripe fruit. Cold-moist stratify about 90–120 days; some lots benefit from warm + cold cycling. Sow about 1/2 in deep.
Cutting timing
Softwood May–Jun
Cuttings
Take 3–5 in softwood cuttings from juvenile shoots; wound lightly and use 3,000–8,000 ppm IBA under intermittent mist. Root before shoots harden.
Best nursery method
Seed for species; softwood cuttings/budding for clones
Protocol specificity
Specific
Key nursery notes
Maintain good sanitation; Cornus florida is disease-sensitive.

Flowering vines

VINES & CLIMBERSModerate
Seed timing
Varies
Seed
Verify exact species/cultivar. Use clean seed-starting mix; sow at a depth appropriate to seed size and keep evenly moist.
Cutting timing
Varies
Cuttings
Verify exact species/cultivar. Trial softwood or semi-hardwood cuttings under high humidity in a sterile, well-drained medium; use rooting hormone when appropriate.
Best nursery method
Seed or cuttings, depending on stock goal
Protocol specificity
General category
Key nursery notes
Broad catalog category; exact propagation depends on the species/cultivar sold.

Garlic

VEGETABLES & HERBSVery easy
Seed timing
True seed uncommon
Seed
True garlic seed is rarely used in ordinary nursery/market production and requires breeding lines that flower and set viable seed.
Cuttings
Plant individual cloves in fall 2–3 in deep, or use bulbils from scapes; not propagated by stem cuttings.
Best nursery method
Cloves / bulbils
Protocol specificity
Specific
Key nursery notes
Use healthy, disease-free seed garlic.

Golden willow

LANDSCAPE SELECTIONVery easy
Seed timing
Late spring when seed ripens
Seed
Seed is tiny and short-lived; sow immediately on moist surface with light and constant moisture. Do not dry or store long.
Cutting timing
Dormant late fall–early spring; softwood spring
Cuttings
Stick 8–18 in hardwood whips directly into moist medium/soil with several nodes buried. Rooting hormone usually unnecessary.
Best nursery method
Hardwood cuttings
Protocol specificity
Specific genus
Key nursery notes
Ideal for living structures and rapid liner production.

Goldenrod

Solidago spp.

POLLINATOR PLANTSEasy–Moderate
Seed timing
Fall–early spring
Seed
Surface sow; many Solidago lots need no treatment, though 30–60 days cold can improve some species.
Cutting timing
Spring–early summer
Cuttings
Divide rhizomes/crowns in spring; soft tip cuttings also root.
Best nursery method
Seed / division
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

Gray birch

Betula populifolia

NATIVE TREES & SHRUBSModerate
Seed timing
Aug–Oct; sow fall or spring
Seed
Seed is tiny. Surface-sow with light; 30–60 days cold-moist stratification improves uniformity. Keep evenly moist, not waterlogged.
Cutting timing
Softwood May–Jun
Cuttings
Use 3–5 in softwood cuttings from juvenile shoots; wound lightly and use 1,000–3,000 ppm IBA under mist.
Best nursery method
Seed; softwood cuttings for clones
Protocol specificity
Genus/species group
Key nursery notes
Do not bury tiny seed deeply.

Gray dogwood

Cornus racemosa

NATIVE TREES & SHRUBSEasy–Moderate
Seed timing
Late summer–fall
Seed
Depulp seed. Use about 90–120 days cold-moist stratification; some lots benefit from warm + cold cycling. Sow 1/4–1/2 in deep.
Cutting timing
Softwood May–Jun; hardwood Nov–Feb
Cuttings
Take 4–6 in softwood cuttings or dormant hardwood sticks. Wound base lightly and use 1,000–3,000 ppm IBA for softwood; root in perlite/peat under mist.
Best nursery method
Cuttings
Protocol specificity
Genus/species-group
Key nursery notes
Vegetative propagation preserves stem color/selected traits.

Greenbrier

Smilax rotundifolia

NATIVE VINESModerate
Seed timing
Fall collection / spring sow
Seed
Clean ripe fruit; warm + cold stratification is often needed and germination can be slow.
Cutting timing
Late spring–summer
Cuttings
Rhizome/root division is generally easier than stem cuttings; young shoots may be trialed under mist.
Best nursery method
Rhizome/root division
Protocol specificity
Specific/common-name
Key nursery notes
Seed-grown vines may vary; vegetative methods are faster for uniform stock.

Groundsel bush

Baccharis halimifolia

NATIVE TREES & SHRUBSModerate
Seed timing
Fall → spring
Seed
Seed is light and wind-dispersed; sow fresh or after brief cold stratification. Surface/shallow sow with light.
Cutting timing
Late spring–summer
Cuttings
Softwood/semi-hardwood cuttings in summer with light IBA under mist.
Best nursery method
Seed / cuttings
Protocol specificity
Specific/common-name
Key nursery notes
Use local ecotype/provenance when producing restoration stock.

Hardy kiwi

VINES & CLIMBERSModerate
Seed timing
Winter–spring
Seed
Clean seed, cold-moist stratify about 60–90 days, then sow warm with light cover. Seedlings are variable and sex is unknown until maturity.
Cutting timing
Softwood Jun–Jul; hardwood dormant
Cuttings
Take 4–6 in softwood cuttings with 2–3 nodes; 2,000–4,000 ppm IBA under mist. Hardwood cuttings can work but are slower.
Best nursery method
Softwood cuttings
Protocol specificity
Specific
Key nursery notes
Clone known male/female cultivars; keep sex and cultivar labels strict.

Highbush blueberry

Vaccinium corymbosum

NATIVE BERRIESModerate
Seed timing
Late winter–spring after fruit cleaning
Seed
Extract seed from ripe fruit, rinse and surface-sow on fine acidic peat/sand; provide light. A short cold-moist period (4–8 weeks) can improve uniformity for some lots. Do not bury deeply.
Cutting timing
Late spring–mid summer
Cuttings
Use softwood or semi-hardwood leafy cuttings in acidic, well-aerated peat/perlite or peat/sand. Wound lightly and use 1,000–3,000 ppm IBA; maintain mist/high humidity and bottom heat around 68–72°F.
Best nursery method
Softwood/semi-hardwood cuttings
Protocol specificity
Genus/species-group
Key nursery notes
Keep media acidic; cuttings preserve selected fruit traits. Seedlings vary.

Honey locust

HABITAT & SUPPORT PLANTSEasy–Moderate
Seed timing
Fall–spring
Seed
Hard seed coat. Scarify mechanically or pour hot (not boiling) water over seed and soak 12–24 hr; sow once seed swells. Cold stratification is usually not necessary after successful scarification.
Cutting timing
Dormant root cuttings; softwood late spring
Cuttings
Root cuttings 2–4 in long are effective, especially for black locust. Softwood cuttings from juvenile stock can also root with IBA.
Best nursery method
Seed for volume; root cuttings for clones
Protocol specificity
Genus
Key nursery notes
Black locust can spread aggressively; manage suckering and verify local sales guidance.

Hops

VINES & CLIMBERSEasy
Seed timing
Winter–spring
Seed
Cold-moist stratify 4–8 weeks, then sow at 65–70°F. Seedlings vary and may be male or female.
Cutting timing
Spring
Cuttings
Use rhizome divisions or basal shoots; stem cuttings can root but are less common for field production.
Best nursery method
Rhizomes / crown division
Protocol specificity
Specific
Key nursery notes
Clone female cultivars for cone production.

Hydrangea

NURSERY SELECTIONSEasy
Seed timing
Winter–spring
Seed
Seed is tiny; surface-sow on fine moist medium with light. Seedlings vary and are mainly useful for breeding/species production.
Cutting timing
Softwood May–Jul
Cuttings
Take 3–5 in nonflowering tips with 2–3 nodes; remove lower leaves, lightly wound, 1,000–3,000 ppm IBA; root under mist in perlite/peat.
Best nursery method
Softwood cuttings
Protocol specificity
Genus
Key nursery notes
Cuttings preserve cultivar flower color/form genetics (soil pH may still affect color in some types).

Indiangrass

Sorghastrum nutans

NATIVE GRASSESEasy–Moderate
Seed timing
Late fall dormant sow or Feb–May
Seed
Clean seed; many warm-season grasses germinate without treatment, but 30–60 days cold-moist stratification can improve uniformity in some native lots. Surface/shallow sow with light.
Cutting timing
Spring
Cuttings
Do not use stem cuttings. Divide vigorous crowns/clumps into rooted sections before rapid spring growth.
Best nursery method
Seed for volume; crown division for clones
Protocol specificity
Functional group
Key nursery notes
Warm-season grasses prefer warm germination temperatures after dormancy is satisfied.

Inkberry holly

Ilex glabra

NATIVE TREES & SHRUBSModerate
Seed timing
Fall collection; long dormancy
Seed
Clean berries thoroughly. Warm stratify roughly 60–90 days then cold-moist stratify 90–120 days; some lots germinate in the second season.
Cutting timing
Semi-hardwood Jul–Sep
Cuttings
Use 3–6 in semi-hardwood cuttings; wound base and use moderate-to-strong IBA (about 2,000–5,000 ppm) under mist in perlite/peat.
Best nursery method
Semi-hardwood cuttings
Protocol specificity
Genus
Key nursery notes
For berry production, label sex and clone known female/male plants as needed.

Japanese maple

LANDSCAPE SELECTIONModerate
Seed timing
Fall → spring
Seed
Collect mature samaras in fall; soak 24 hr, then cold-moist stratify roughly 90–120 days. Some lots benefit from warm + cold treatment.
Cutting timing
May–Jun
Cuttings
Take softwood cuttings May–Jun from juvenile shoots; wound lightly, use 2,000–5,000 ppm IBA, root under mist. Some maples are much easier than others; grafting is preferred for named Japanese maple cultivars.
Best nursery method
Seed for seedlings; cuttings/grafting for clones
Protocol specificity
Species/common-name specific
Key nursery notes
Seedlings of named cultivars do not come true.

Joe-Pye weed

Eutrochium spp.

POLLINATOR PLANTSEasy–Moderate
Seed timing
Fall–early spring
Seed
Surface sow after 30–60 days cold-moist stratification.
Cutting timing
Spring–early summer
Cuttings
Basal cuttings in spring or crown division; keep humid until rooted.
Best nursery method
Seed / division
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

Lantana

LANDSCAPE SELECTIONEasy
Seed timing
Late winter–spring
Seed
Clean seed from berries; soak 24 hr and sow warm (70–80°F). Germination can be slow and variable.
Cutting timing
Spring–summer
Cuttings
Take 3–5 in soft tip cuttings, remove flowers/lower leaves, use light IBA, root warm under humidity.
Best nursery method
Softwood cuttings
Protocol specificity
Genus
Key nursery notes
Cuttings preserve cultivar traits; seed-grown offspring vary.

Lion's mane mushrooms

Hericium erinaceus

MUSHROOMS & GROWING MATERIALSModerate
Seed
Not propagated from seed. Use clean mushroom spawn (plug, sawdust, grain, or other species-appropriate spawn).
Cuttings
Not propagated from plant cuttings. Inoculate suitable substrate/logs with spawn; maintain species-appropriate moisture and incubation conditions.
Best nursery method
Spawn inoculation
Protocol specificity
General mushroom method
Key nursery notes
Track strain, substrate species, inoculation date, moisture, and fruiting conditions.

Little bluestem

Schizachyrium scoparium

NATIVE GRASSESEasy–Moderate
Seed timing
Late fall dormant sow or Feb–May
Seed
Clean seed; many warm-season grasses germinate without treatment, but 30–60 days cold-moist stratification can improve uniformity in some native lots. Surface/shallow sow with light.
Cutting timing
Spring
Cuttings
Do not use stem cuttings. Divide vigorous crowns/clumps into rooted sections before rapid spring growth.
Best nursery method
Seed for volume; crown division for clones
Protocol specificity
Functional group
Key nursery notes
Warm-season grasses prefer warm germination temperatures after dormancy is satisfied.

Lowbush blueberry

Vaccinium angustifolium

NATIVE BERRIESModerate
Seed timing
Late winter–spring after fruit cleaning
Seed
Extract seed from ripe fruit, rinse and surface-sow on fine acidic peat/sand; provide light. A short cold-moist period (4–8 weeks) can improve uniformity for some lots. Do not bury deeply.
Cutting timing
Late spring–mid summer
Cuttings
Use rhizome divisions or softwood cuttings; lowbush types spread by rhizomes and clonal division is often efficient.
Best nursery method
Rhizome division / cuttings
Protocol specificity
Genus/species-group
Key nursery notes
Keep media acidic; cuttings preserve selected fruit traits. Seedlings vary.

Magnolia

LANDSCAPE SELECTIONModerate
Seed timing
Varies
Seed
Verify exact species/cultivar. Use clean seed-starting mix; sow at a depth appropriate to seed size and keep evenly moist.
Cutting timing
Varies
Cuttings
Verify exact species/cultivar. Trial softwood or semi-hardwood cuttings under high humidity in a sterile, well-drained medium; use rooting hormone when appropriate.
Best nursery method
Seed or cuttings, depending on stock goal
Protocol specificity
General category
Key nursery notes
Broad catalog category; exact propagation depends on the species/cultivar sold.

Maleberry

Lyonia ligustrina

NATIVE TREES & SHRUBSModerate
Seed timing
Fall–spring
Seed
Surface/shallow sow cleaned seed on acidic peat; 30–90 days cold-moist stratification can improve uniformity.
Cutting timing
Early summer–early fall
Cuttings
Softwood/semi-hardwood cuttings from juvenile shoots under mist; acidic peat/perlite, moderate IBA.
Best nursery method
Cuttings
Protocol specificity
Species/group
Key nursery notes
Maintain acidic media and avoid overfertilizing newly rooted ericaceous/native shrub liners.

Maypop / Passionflower

Passiflora incarnata

NATIVE VINESModerate
Seed timing
Fall collection / spring sow
Seed
Scarify lightly and soak 24 hr; cold-moist stratify 30–60 days. Sow warm. Germination may be erratic.
Cutting timing
Late spring–summer
Cuttings
Take 3–5 in softwood cuttings in late spring/summer; use 1,000–3,000 ppm IBA under humidity. Root pieces/suckers also work.
Best nursery method
Root cuttings / softwood cuttings
Protocol specificity
Specific/common-name
Key nursery notes
Seed-grown vines may vary; vegetative methods are faster for uniform stock.

Melons

VINES & CLIMBERSEasy
Seed timing
Feb–May / direct sow after frost
Seed
Sow fresh seed in spring; usually no stratification. Use 70–85°F; cover about 1–2× seed thickness (larger seeds deeper).
Cutting timing
Spring–summer
Cuttings
Generally not used commercially; take soft herbaceous tip cuttings only as a trial under mist.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For named cultivars/hybrids, saved seed may not come true.

Mixed landscape seedlings

LANDSCAPE SELECTIONModerate
Seed timing
Varies
Seed
Verify exact species/cultivar. Use clean seed-starting mix; sow at a depth appropriate to seed size and keep evenly moist.
Cutting timing
Varies
Cuttings
Verify exact species/cultivar. Trial softwood or semi-hardwood cuttings under high humidity in a sterile, well-drained medium; use rooting hormone when appropriate.
Best nursery method
Seed or cuttings, depending on stock goal
Protocol specificity
General category
Key nursery notes
Broad catalog category; exact propagation depends on the species/cultivar sold.

Mixed landscape trees

LANDSCAPE SELECTIONModerate
Seed timing
Varies
Seed
Verify exact species/cultivar. Use clean seed-starting mix; sow at a depth appropriate to seed size and keep evenly moist.
Cutting timing
Varies
Cuttings
Verify exact species/cultivar. Trial softwood or semi-hardwood cuttings under high humidity in a sterile, well-drained medium; use rooting hormone when appropriate.
Best nursery method
Seed or cuttings, depending on stock goal
Protocol specificity
General category
Key nursery notes
Broad catalog category; exact propagation depends on the species/cultivar sold.

Mixed privacy evergreens

LANDSCAPE SELECTIONModerate
Seed timing
Varies
Seed
Verify exact species/cultivar. Use clean seed-starting mix; sow at a depth appropriate to seed size and keep evenly moist.
Cutting timing
Varies
Cuttings
Verify exact species/cultivar. Trial softwood or semi-hardwood cuttings under high humidity in a sterile, well-drained medium; use rooting hormone when appropriate.
Best nursery method
Seed or cuttings, depending on stock goal
Protocol specificity
General category
Key nursery notes
Broad catalog category; exact propagation depends on the species/cultivar sold.

Moon flower

LANDSCAPE SELECTIONEasy
Seed timing
Feb–May / direct sow after frost
Seed
Nick or scarify the hard seed coat and soak 12–24 hr; sow warm after frost danger.
Cutting timing
Spring–summer
Cuttings
Soft tip cuttings can root in warm conditions, but seed is standard.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For named cultivars/hybrids, saved seed may not come true.

Moss

PERENNIALS & FLOWERSEasy–Moderate
Seed timing
N/A (spores)
Seed
Mosses reproduce by spores rather than seeds; sterile spore culture is possible but slow.
Cutting timing
Any cool moist period
Cuttings
Fragment healthy moss into small pieces and press onto consistently moist, shaded acidic substrate; maintain humidity until attached.
Best nursery method
Fragment division
Protocol specificity
General bryophyte
Key nursery notes
Avoid collecting wild moss without landowner permission or from sensitive habitats.

Mountain laurel

Kalmia latifolia

NATIVE TREES & SHRUBSHard
Seed timing
Fall–spring
Seed
Tiny seed; surface-sow on acidic peat with light. A 30–60 day cold period can improve some lots; do not bury.
Cutting timing
Early summer–early fall
Cuttings
Take semi-hardwood cuttings Jul–Sep; wound and use stronger IBA (about 4,000–8,000 ppm). Acidic, well-drained medium and high humidity are important.
Best nursery method
Semi-hardwood cuttings
Protocol specificity
Species/group
Key nursery notes
Maintain acidic media and avoid overfertilizing newly rooted ericaceous/native shrub liners.

Mountain mint

Pycnanthemum spp.

POLLINATOR PLANTSEasy
Seed timing
Fall–early spring
Seed
Surface sow; 30–60 days cold-moist stratification is a useful default for native lots.
Cutting timing
Spring–early summer
Cuttings
Soft tip cuttings root readily; division of spreading clumps is easy.
Best nursery method
Division / soft cuttings
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

Mulberry

FRUIT TREESEasy–Moderate
Seed timing
Fall fruit → spring
Seed
Clean berries; cold-moist stratify about 30–90 days or fall sow.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Hardwood cuttings in late winter or softwood cuttings in early summer root readily for many mulberries; use light–moderate IBA.
Best nursery method
Cuttings
Protocol specificity
Crop/common-name specific
Key nursery notes
Seedlings will be genetically variable; clone named cultivars.

Muscadine grape trial

VINES & CLIMBERSEasy–Moderate
Seed timing
Fall collection; stratify for spring
Seed
Clean seed and cold-moist stratify about 90–120 days. Seedlings are variable and not true to cultivar.
Cutting timing
Dormant Dec–Mar or softwood May–Jun
Cuttings
Use 8–12 in hardwood cuttings with 3–4 buds; stick with 1 bud above medium. Some grape types/muscadines root better by softwood cuttings or layering; use IBA as needed.
Best nursery method
Cuttings / layering
Protocol specificity
Crop group
Key nursery notes
Clone named cultivars; seed is for breeding/rootstock work.

Nannyberry viburnum

Viburnum lentago

NATIVE TREES & SHRUBSModerate
Seed timing
Fall collection; often 2-season germination
Seed
Clean fruit. Many Viburnum have complex dormancy: use warm-moist stratification about 60–90 days followed by cold-moist stratification 90–120 days; some may require another warm period.
Cutting timing
Softwood May–Jun
Cuttings
Use 4–6 in softwood cuttings from vigorous juvenile shoots; wound lightly and use 1,000–3,000 ppm IBA in perlite/peat under mist.
Best nursery method
Softwood cuttings
Protocol specificity
Genus
Key nursery notes
Cuttings are preferred for uniform nursery clones; seed can be slow.

Native pollinator flowers

PERENNIALS & FLOWERSModerate
Seed timing
Fall–early spring
Seed
Broadcast or tray-sow according to component species. Many native perennials benefit from 30–90 days cold-moist stratification; annuals often need none.
Cutting timing
Spring–summer for clonal species
Cuttings
Use softwood/herbaceous cuttings only for species known to root; otherwise divide or grow from seed.
Best nursery method
Seed mix; species-specific division/cuttings
Protocol specificity
General mix
Key nursery notes
Do not use one treatment for all components; separate species when uniform germination is important.

Native shade plants

SHADE & WOODLAND PLANTSModerate
Seed timing
Varies
Seed
Verify exact species/cultivar. Use clean seed-starting mix; sow at a depth appropriate to seed size and keep evenly moist.
Cutting timing
Varies
Cuttings
Verify exact species/cultivar. Trial softwood or semi-hardwood cuttings under high humidity in a sterile, well-drained medium; use rooting hormone when appropriate.
Best nursery method
Seed or cuttings, depending on stock goal
Protocol specificity
General category
Key nursery notes
Broad catalog category; exact propagation depends on the species/cultivar sold.

New England aster

Symphyotrichum novae-angliae

POLLINATOR PLANTSEasy–Moderate
Seed timing
Fall–early spring
Seed
Surface or shallow sow; 30–60 days cold-moist stratification improves uniformity.
Cutting timing
Spring–early summer
Cuttings
Basal cuttings in spring or division every few years.
Best nursery method
Seed / division
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

New Jersey tea

HABITAT & SUPPORT PLANTSModerate
Seed timing
Fall → spring
Seed
Hard seed coat: scarify with hot water or mechanical nicking, then cold-moist stratify about 30–60 days.
Cutting timing
Late spring–summer
Cuttings
Softwood cuttings in early summer under mist with moderate IBA; success is variable.
Best nursery method
Seed
Protocol specificity
Specific/common-name
Key nursery notes
Use local ecotype/provenance when producing restoration stock.

Norway spruce

TREE SEEDLINGSHard for cuttings
Seed timing
Cone/fruit maturity → fall or spring
Seed
Dry cones until scales open; clean seed. 21–30 days cold-moist stratification improves speed/uniformity; sow shallow at 60–70°F.
Cutting timing
Late summer–winter
Cuttings
Use current-season cuttings from juvenile stock in late summer/fall; wound base and use 4,000–8,000 ppm IBA, bottom heat, high humidity. Slow.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For seedling production, seed is usually cheaper and faster than cuttings.

Oak logs

MUSHROOMS & GROWING MATERIALSModerate
Seed
Not propagated from seed. Use clean mushroom spawn (plug, sawdust, grain, or other species-appropriate spawn).
Cuttings
Not propagated from plant cuttings. Inoculate suitable substrate/logs with spawn; maintain species-appropriate moisture and incubation conditions.
Best nursery method
Spawn inoculation
Protocol specificity
General mushroom method
Key nursery notes
Track strain, substrate species, inoculation date, moisture, and fruiting conditions.

Oyster mushrooms

Pleurotus spp.

MUSHROOMS & GROWING MATERIALSModerate
Seed
Not propagated from seed. Use clean mushroom spawn (plug, sawdust, grain, or other species-appropriate spawn).
Cuttings
Not propagated from plant cuttings. Inoculate suitable substrate/logs with spawn; maintain species-appropriate moisture and incubation conditions.
Best nursery method
Spawn inoculation
Protocol specificity
General mushroom method
Key nursery notes
Track strain, substrate species, inoculation date, moisture, and fruiting conditions.

Pawpaw

FRUIT TREESModerate–Hard
Seed timing
Fall fruit → spring
Seed
Never let seed dry. Cold-moist stratify about 90–120 days, then sow 1 in deep warm (75–85°F). Germination is slow and root emerges before shoot.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Stem cuttings are very difficult. Use seed for rootstocks and graft superior cultivars; root suckers from own-root trees can be divided carefully.
Best nursery method
Seed + grafting
Protocol specificity
Crop/common-name specific
Key nursery notes
Seed is recalcitrant—store moist and cold, never dry or freeze.

Peach

FRUIT TREESModerate
Seed timing
Fall fruit → spring
Seed
Clean pits. Cold-moist stratify about 90–120 days; crack endocarp only if using controlled protocols and avoid damaging kernel.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Softwood cuttings can root for some plum/rootstock types; most fruit cultivars are propagated by budding/grafting. Beach plum can also be softwood-cut.
Best nursery method
Grafting/budding; softwood cuttings for some plums
Protocol specificity
Crop/common-name specific
Key nursery notes
Seedlings will be genetically variable; clone named cultivars.

Pear

FRUIT TREESModerate
Seed timing
Fall fruit → spring
Seed
Clean seed; cold-moist stratify about 60–90 days before spring sowing.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Most pear cultivars are grafted/budded. Softwood cuttings can be difficult; some clonal rootstocks use cuttings or stooling.
Best nursery method
Grafting/budding
Protocol specificity
Crop/common-name specific
Key nursery notes
Seedlings will be genetically variable; clone named cultivars.

Peas

VEGETABLES & HERBSEasy
Seed timing
Feb–May / direct sow after frost
Seed
Sow fresh seed in spring; usually no stratification. Use 65–75°F; cover about 1–2× seed thickness (larger seeds deeper).
Cutting timing
Spring–summer
Cuttings
Generally not used commercially; take soft herbaceous tip cuttings only as a trial under mist.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For named cultivars/hybrids, saved seed may not come true.

Pecan

NUT TREESModerate from seed; hard asexually
Seed timing
Fall → spring
Seed
Cold-moist stratify intact nuts about 90–120 days; sow 1–2 in deep in tall containers or nursery beds. Prevent drying and rodent loss.
Cutting timing
Not practical
Cuttings
Stem cuttings are very difficult. Use grafting/budding for named nut cultivars; stooling/rootstock systems are specialized.
Best nursery method
Seed for rootstocks/seedlings; grafting for cultivars
Protocol specificity
Crop group
Key nursery notes
Use deep containers to accommodate early taproot growth.

Pin oak

Quercus palustris

NATIVE TREES & SHRUBSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect sound acorns at drop. Keep moist, never dry. Cold-moist stratify about 30–90 days (red-oak group) and sow 1–2 in deep in spring; protect from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Pinxterbloom azalea

Rhododendron periclymenoides

NATIVE TREES & SHRUBSModerate–Hard
Seed timing
Fall–spring
Seed
Very fine seed; surface-sow on acidic peat with light at about 65–70°F. No deep burial. Seedlings vary.
Cutting timing
Early summer–early fall
Cuttings
Take semi-hardwood cuttings late Jun–Aug; wound base, use 2,000–5,000 ppm IBA, root in peat/perlite under mist/partial shade. Deciduous native azaleas can be slower than evergreen types.
Best nursery method
Semi-hardwood cuttings / layering
Protocol specificity
Species/group
Key nursery notes
Maintain acidic media and avoid overfertilizing newly rooted ericaceous/native shrub liners.

Pitch pine

Pinus rigida

NATIVE TREES & SHRUBSHard for cuttings
Seed timing
Cone/fruit maturity → fall or spring
Seed
Fresh seed often germinates without stratification; 30 days cold can improve uniformity. Sow shallow in spring.
Cutting timing
Late summer–winter
Cuttings
Stem cuttings of most pines are difficult. Trial only very juvenile shoots with strong IBA and mist; use seed for normal production.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For seedling production, seed is usually cheaper and faster than cuttings.

Plum

FRUIT TREESModerate
Seed timing
Fall fruit → spring
Seed
Clean pits. Cold-moist stratify about 90–120 days; crack endocarp only if using controlled protocols and avoid damaging kernel.
Cutting timing
Species-dependent; usually spring/summer or grafting season
Cuttings
Softwood cuttings can root for some plum/rootstock types; most fruit cultivars are propagated by budding/grafting. Beach plum can also be softwood-cut.
Best nursery method
Grafting/budding; softwood cuttings for some plums
Protocol specificity
Crop/common-name specific
Key nursery notes
Seedlings will be genetically variable; clone named cultivars.

Post oak

Quercus stellata

NATIVE TREES & SHRUBSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect acorns as soon as they drop. Keep moist and cool; do not let them dry. White-oak-group acorns have little dormancy and may begin rooting in fall; sow immediately 1–2 in deep, protected from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Privet

LANDSCAPE SELECTIONEasy
Seed timing
Fall–spring
Seed
Clean ripe berries; cold-moist stratify roughly 60–90 days before spring sowing.
Cutting timing
Softwood May–Jul or hardwood Nov–Feb
Cuttings
4–6 in cuttings root readily in perlite/peat; light IBA improves uniformity.
Best nursery method
Cuttings
Protocol specificity
Genus
Key nursery notes
Check invasiveness/legal status of the exact privet species before production or sale.

Pumpkins and winter squash

VEGETABLES & HERBSEasy
Seed timing
Feb–May / direct sow after frost
Seed
Sow fresh seed in spring; usually no stratification. Use 70–85°F; cover about 1–2× seed thickness (larger seeds deeper).
Cutting timing
Spring–summer
Cuttings
Generally not used commercially; take soft herbaceous tip cuttings only as a trial under mist.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For named cultivars/hybrids, saved seed may not come true.

Purple lovegrass

Eragrostis spectabilis

NATIVE GRASSESEasy–Moderate
Seed timing
Late fall dormant sow or Feb–May
Seed
Clean seed; many warm-season grasses germinate without treatment, but 30–60 days cold-moist stratification can improve uniformity in some native lots. Surface/shallow sow with light.
Cutting timing
Spring
Cuttings
Do not use stem cuttings. Divide vigorous crowns/clumps into rooted sections before rapid spring growth.
Best nursery method
Seed for volume; crown division for clones
Protocol specificity
Functional group
Key nursery notes
Warm-season grasses prefer warm germination temperatures after dormancy is satisfied.

Red chokeberry

Aronia arbutifolia

NATIVE TREES & SHRUBSEasy–Moderate
Seed timing
Fall → spring
Seed
Clean fruit; cold-moist stratify about 90–120 days. Surface/shallow sow after treatment.
Cutting timing
Softwood May–Jul
Cuttings
4–6 in softwood cuttings root readily with 1,000–3,000 ppm IBA under mist; suckers/division also work.
Best nursery method
Softwood cuttings / suckers
Protocol specificity
Genus
Key nursery notes
Vegetative propagation preserves berry color/form.

Red maple

MAPLESModerate
Seed timing
Apr–Jun
Seed
Collect samaras at spring maturity and sow immediately; seed loses viability quickly and usually needs no cold stratification.
Cutting timing
May–Jun
Cuttings
Take softwood cuttings May–Jun from juvenile shoots; wound lightly, use 2,000–5,000 ppm IBA, root under mist. Some maples are much easier than others; grafting is preferred for named Japanese maple cultivars.
Best nursery method
Seed for seedlings; cuttings/grafting for clones
Protocol specificity
Species/common-name specific
Key nursery notes
Seedlings of named cultivars do not come true.

Red oak

TREE SEEDLINGSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect sound acorns at drop. Keep moist, never dry. Cold-moist stratify about 30–90 days (red-oak group) and sow 1–2 in deep in spring; protect from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Red raspberry

BERRIES & BRAMBLESEasy
Seed timing
Late summer–fall
Seed
Seed has hard coat/dormancy. Clean fruit; scarification plus 60–90 days warm followed by 90 days cold is commonly used. Seed is slow and variable.
Cutting timing
Root cuttings dormant season; tip layering summer; leafy cuttings spring–summer
Cuttings
Root cuttings 2–4 in long in moist medium; black raspberry is especially easy by tip layering. Softwood cuttings can root under mist.
Best nursery method
Root cuttings / tip layering
Protocol specificity
Crop group
Key nursery notes
Use virus-clean mother stock for nursery production.

Red twig dogwood

NURSERY SELECTIONSEasy–Moderate
Seed timing
Late summer–fall
Seed
Depulp seed. Use about 90–120 days cold-moist stratification; some lots benefit from warm + cold cycling. Sow 1/4–1/2 in deep.
Cutting timing
Softwood May–Jun; hardwood Nov–Feb
Cuttings
Take 4–6 in softwood cuttings or dormant hardwood sticks. Wound base lightly and use 1,000–3,000 ppm IBA for softwood; root in perlite/peat under mist.
Best nursery method
Cuttings
Protocol specificity
Genus/species-group
Key nursery notes
Vegetative propagation preserves stem color/selected traits.

Rhubarb

PERENNIALS & FLOWERSEasy
Seed timing
Late winter–spring
Seed
Sow seed 1/4–1/2 in deep at 60–70°F. Seedlings vary, so named cultivars should not be maintained from seed.
Cutting timing
Early spring or fall
Cuttings
Not stem cuttings. Divide crowns so each piece has at least one strong bud and healthy roots.
Best nursery method
Crown division
Protocol specificity
Specific
Key nursery notes
Division preserves cultivar identity and reaches saleable size faster.

River birch

Betula nigra

NATIVE TREES & SHRUBSModerate
Seed timing
Aug–Oct; sow fall or spring
Seed
Seed is tiny. Surface-sow with light; 30–60 days cold-moist stratification improves uniformity. Keep evenly moist, not waterlogged.
Cutting timing
Softwood May–Jun
Cuttings
Use 3–5 in softwood cuttings from juvenile shoots; wound lightly and use 1,000–3,000 ppm IBA under mist.
Best nursery method
Seed; softwood cuttings for clones
Protocol specificity
Genus/species group
Key nursery notes
Do not bury tiny seed deeply.

Runner and pole beans

VINES & CLIMBERSEasy
Seed timing
Feb–May / direct sow after frost
Seed
Sow fresh seed in spring; usually no stratification. Use 70–85°F; cover about 1–2× seed thickness (larger seeds deeper).
Cutting timing
Spring–summer
Cuttings
Generally not used commercially; take soft herbaceous tip cuttings only as a trial under mist.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For named cultivars/hybrids, saved seed may not come true.

Sassafras

Sassafras albidum

NATIVE TREES & SHRUBSModerate
Seed timing
Fall → spring
Seed
Clean dark blue fruit; cold-moist stratify about 90–120 days and sow shallow. Seed should not dry excessively.
Cutting timing
Late spring–summer
Cuttings
Use dormant root cuttings 2–4 in long or separate suckers; stem cuttings are less reliable.
Best nursery method
Root cuttings / seed
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

Scarlet oak

Quercus coccinea

NATIVE TREES & SHRUBSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect sound acorns at drop. Keep moist, never dry. Cold-moist stratify about 30–90 days (red-oak group) and sow 1–2 in deep in spring; protect from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Scrub oak / Bear oak

Quercus ilicifolia

NATIVE TREES & SHRUBSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect sound acorns at drop. Keep moist, never dry. Cold-moist stratify about 30–90 days (red-oak group) and sow 1–2 in deep in spring; protect from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Seed-stock flowers

FLOWERSModerate
Seed timing
Fall–early spring
Seed
Broadcast or tray-sow according to component species. Many native perennials benefit from 30–90 days cold-moist stratification; annuals often need none.
Cutting timing
Spring–summer for clonal species
Cuttings
Use softwood/herbaceous cuttings only for species known to root; otherwise divide or grow from seed.
Best nursery method
Seed mix; species-specific division/cuttings
Protocol specificity
General mix
Key nursery notes
Do not use one treatment for all components; separate species when uniform germination is important.

Serviceberry

Amelanchier canadensis

NATIVE TREES & SHRUBSModerate
Seed timing
Jun–Aug fruit → following spring
Seed
Clean fruit promptly. Use warm-moist stratification about 60–90 days followed by cold-moist stratification 90–120 days; seed can otherwise remain dormant.
Cutting timing
Softwood May–Jun
Cuttings
Softwood cuttings from juvenile plants under mist with 2,000–5,000 ppm IBA; layering/suckers can be easier.
Best nursery method
Softwood cuttings / layering
Protocol specificity
Specific
Key nursery notes
Seed can be slow; clonal methods preserve fruit/flower traits.

Shagbark hickory

NUT TREESModerate from seed; hard asexually
Seed timing
Fall → spring
Seed
Cold-moist stratify intact nuts about 90–120 days; sow 1–2 in deep in tall containers or nursery beds. Prevent drying and rodent loss.
Cutting timing
Not practical
Cuttings
Stem cuttings are very difficult. Use grafting/budding for named nut cultivars; stooling/rootstock systems are specialized.
Best nursery method
Seed for rootstocks/seedlings; grafting for cultivars
Protocol specificity
Crop group
Key nursery notes
Use deep containers to accommodate early taproot growth.

Sheep laurel

Kalmia angustifolia

NATIVE TREES & SHRUBSHard
Seed timing
Fall–spring
Seed
Tiny seed; surface-sow on acidic peat with light. A 30–60 day cold period can improve some lots; do not bury.
Cutting timing
Early summer–early fall
Cuttings
Take semi-hardwood cuttings Jul–Sep; wound and use stronger IBA (about 4,000–8,000 ppm). Acidic, well-drained medium and high humidity are important.
Best nursery method
Semi-hardwood cuttings
Protocol specificity
Species/group
Key nursery notes
Maintain acidic media and avoid overfertilizing newly rooted ericaceous/native shrub liners.

Shiitake mushrooms

Lentinula edodes

MUSHROOMS & GROWING MATERIALSModerate
Seed
Not propagated from seed. Use clean mushroom spawn (plug, sawdust, grain, or other species-appropriate spawn).
Cuttings
Not propagated from plant cuttings. Inoculate suitable substrate/logs with spawn; maintain species-appropriate moisture and incubation conditions.
Best nursery method
Spawn inoculation
Protocol specificity
General mushroom method
Key nursery notes
Track strain, substrate species, inoculation date, moisture, and fruiting conditions.

Shortleaf pine

Pinus echinata

NATIVE TREES & SHRUBSHard for cuttings
Seed timing
Cone/fruit maturity → fall or spring
Seed
Usually little/no dormancy; 30 days cold may improve uniformity. Sow shallow in spring.
Cutting timing
Late summer–winter
Cuttings
Stem cuttings of most pines are difficult. Trial only very juvenile shoots with strong IBA and mist; use seed for normal production.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For seedling production, seed is usually cheaper and faster than cuttings.

Silky dogwood

Cornus amomum

NATIVE TREES & SHRUBSEasy–Moderate
Seed timing
Late summer–fall
Seed
Depulp seed. Use about 90–120 days cold-moist stratification; some lots benefit from warm + cold cycling. Sow 1/4–1/2 in deep.
Cutting timing
Softwood May–Jun; hardwood Nov–Feb
Cuttings
Take 4–6 in softwood cuttings or dormant hardwood sticks. Wound base lightly and use 1,000–3,000 ppm IBA for softwood; root in perlite/peat under mist.
Best nursery method
Cuttings
Protocol specificity
Genus/species-group
Key nursery notes
Vegetative propagation preserves stem color/selected traits.

Silver maple

MAPLESModerate
Seed timing
Apr–Jun
Seed
Collect samaras at spring maturity and sow immediately; seed loses viability quickly and usually needs no cold stratification.
Cutting timing
May–Jun
Cuttings
Take softwood cuttings May–Jun from juvenile shoots; wound lightly, use 2,000–5,000 ppm IBA, root under mist. Some maples are much easier than others; grafting is preferred for named Japanese maple cultivars.
Best nursery method
Seed for seedlings; cuttings/grafting for clones
Protocol specificity
Species/common-name specific
Key nursery notes
Seedlings of named cultivars do not come true.

Smooth sumac

Rhus glabra

NATIVE TREES & SHRUBSEasy–Moderate
Seed timing
Late summer–fall
Seed
Hard-coated seed. Scarify (hot-water soak or mechanical nicking), then cold-moist stratify about 30–90 days before spring sowing.
Cutting timing
Dormant season for root cuttings; spring suckers
Cuttings
Use 2–4 in root cuttings laid horizontally under 1/2 in medium, or divide suckers with roots. Stem cuttings are less reliable.
Best nursery method
Root cuttings / suckers
Protocol specificity
Genus
Key nursery notes
Excellent candidate for clonal root propagation; control spread in production blocks.

Southern magnolia

LANDSCAPE SELECTIONModerate–Hard
Seed timing
Fall → spring
Seed
Remove red/orange fleshy seed coat soon after harvest; do not let seed dry. Cold-moist stratify about 90–120 days and sow 1/2 in deep.
Cutting timing
Late spring–summer
Cuttings
Semi-hardwood cuttings in summer from juvenile growth; wound base and use 3,000–8,000 ppm IBA under mist. Air-layering can help difficult cultivars.
Best nursery method
Seed for species; cuttings/layering for clones
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

Spicebush

Lindera benzoin

NATIVE TREES & SHRUBSModerate
Seed timing
Sep–Oct; sow fresh or stratify
Seed
Clean red fruit and sow fresh outdoors, or cold-moist stratify about 90–120 days. Do not allow seed to dry excessively.
Cutting timing
Softwood Jun
Cuttings
Take 4–6 in softwood cuttings under mist with moderate IBA; rooting is best from juvenile stock.
Best nursery method
Seed / softwood cuttings
Protocol specificity
Specific
Key nursery notes
Dioecious: preserve known male/female clones when fruit production matters.

Staghorn sumac

Rhus typhina

NATIVE TREES & SHRUBSEasy–Moderate
Seed timing
Late summer–fall
Seed
Hard-coated seed. Scarify (hot-water soak or mechanical nicking), then cold-moist stratify about 30–90 days before spring sowing.
Cutting timing
Dormant season for root cuttings; spring suckers
Cuttings
Use 2–4 in root cuttings laid horizontally under 1/2 in medium, or divide suckers with roots. Stem cuttings are less reliable.
Best nursery method
Root cuttings / suckers
Protocol specificity
Genus
Key nursery notes
Excellent candidate for clonal root propagation; control spread in production blocks.

Stewartia

LANDSCAPE SELECTIONModerate–Hard
Seed timing
Fall → spring
Seed
Seed has complex dormancy; use warm-moist stratification about 90–120 days followed by cold 90–120 days. Germination may be prolonged.
Cutting timing
Late spring–summer
Cuttings
Softwood cuttings in early summer under mist with moderate IBA; use juvenile shoots.
Best nursery method
Softwood cuttings / seed
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

Strawberry

BERRIES & BRAMBLESVery easy
Seed timing
Winter–spring
Seed
For species/seed strains, surface-sow tiny seed; 2–4 weeks cold can improve germination. Cultivar seedlings do not come true.
Cutting timing
Spring–summer
Cuttings
Do not use stem cuttings. Peg runners into small pots or trays and sever after rooted; crown division is also possible.
Best nursery method
Runners
Protocol specificity
Specific
Key nursery notes
Use certified disease-free mother stock for commercial propagation.

Sugar maple

MAPLESModerate
Seed timing
Sep–Oct → spring
Seed
Collect mature samaras in fall; cold-moist stratify about 60–120 days at 33–41°F; sow 1/4–1/2 in deep.
Cutting timing
May–Jun
Cuttings
Take softwood cuttings May–Jun from juvenile shoots; wound lightly, use 2,000–5,000 ppm IBA, root under mist. Some maples are much easier than others; grafting is preferred for named Japanese maple cultivars.
Best nursery method
Seed for seedlings; cuttings/grafting for clones
Protocol specificity
Species/common-name specific
Key nursery notes
Seedlings of named cultivars do not come true.

Sugar or red maple logs

MUSHROOMS & GROWING MATERIALSModerate
Seed
Not propagated from seed. Use clean mushroom spawn (plug, sawdust, grain, or other species-appropriate spawn).
Cuttings
Not propagated from plant cuttings. Inoculate suitable substrate/logs with spawn; maintain species-appropriate moisture and incubation conditions.
Best nursery method
Spawn inoculation
Protocol specificity
General mushroom method
Key nursery notes
Track strain, substrate species, inoculation date, moisture, and fruiting conditions.

Sunflowers

PERENNIALS & FLOWERSEasy
Seed timing
Feb–May / direct sow after frost
Seed
Sow fresh seed in spring; usually no stratification. Use 65–75°F; cover about 1–2× seed thickness (larger seeds deeper).
Cutting timing
Spring–summer
Cuttings
Generally not used commercially; take soft herbaceous tip cuttings only as a trial under mist.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For named cultivars/hybrids, saved seed may not come true.

Swamp azalea

Rhododendron viscosum

NATIVE TREES & SHRUBSModerate–Hard
Seed timing
Fall–spring
Seed
Very fine seed; surface-sow on acidic peat with light at about 65–70°F. No deep burial. Seedlings vary.
Cutting timing
Early summer–early fall
Cuttings
Take semi-hardwood cuttings late Jun–Aug; wound base, use 2,000–5,000 ppm IBA, root in peat/perlite under mist/partial shade. Deciduous native azaleas can be slower than evergreen types.
Best nursery method
Semi-hardwood cuttings / layering
Protocol specificity
Species/group
Key nursery notes
Maintain acidic media and avoid overfertilizing newly rooted ericaceous/native shrub liners.

Swamp milkweed

Asclepias incarnata

POLLINATOR PLANTSEasy–Moderate
Seed timing
Fall–early spring
Seed
Cold-moist stratify 30–60 days, then shallow sow at 65–75°F.
Cutting timing
Spring–early summer
Cuttings
Soft stem cuttings can root under mist; root division also works on young stock.
Best nursery method
Seed / root cuttings
Protocol specificity
Species/common-name specific
Key nursery notes
Collect locally adapted seed where appropriate; vegetative propagation preserves selected forms.

Swamp white oak

Quercus bicolor

NATIVE TREES & SHRUBSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect acorns as soon as they drop. Keep moist and cool; do not let them dry. White-oak-group acorns have little dormancy and may begin rooting in fall; sow immediately 1–2 in deep, protected from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Sweet birch

Betula lenta

NATIVE TREES & SHRUBSModerate
Seed timing
Aug–Oct; sow fall or spring
Seed
Seed is tiny. Surface-sow with light; 30–60 days cold-moist stratification improves uniformity. Keep evenly moist, not waterlogged.
Cutting timing
Softwood May–Jun
Cuttings
Use 3–5 in softwood cuttings from juvenile shoots; wound lightly and use 1,000–3,000 ppm IBA under mist.
Best nursery method
Seed; softwood cuttings for clones
Protocol specificity
Genus/species group
Key nursery notes
Do not bury tiny seed deeply.

Sweet pepperbush

Clethra alnifolia

NATIVE TREES & SHRUBSEasy–Moderate
Seed timing
Fall–spring
Seed
Very small seed; surface-sow with light; usually little/no pretreatment is needed.
Cutting timing
Early summer–early fall
Cuttings
Softwood cuttings in Jun–Jul root well under mist; use light–moderate IBA.
Best nursery method
Softwood cuttings
Protocol specificity
Species/group
Key nursery notes
Maintain acidic media and avoid overfertilizing newly rooted ericaceous/native shrub liners.

Sweetbay magnolia

TREE SEEDLINGSModerate–Hard
Seed timing
Fall → spring
Seed
Remove red/orange fleshy seed coat soon after harvest; do not let seed dry. Cold-moist stratify about 90–120 days and sow 1/2 in deep.
Cutting timing
Late spring–summer
Cuttings
Semi-hardwood cuttings in summer from juvenile growth; wound base and use 3,000–8,000 ppm IBA under mist. Air-layering can help difficult cultivars.
Best nursery method
Seed for species; cuttings/layering for clones
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

Sweetfern

Comptonia peregrina

NATIVE TREES & SHRUBSModerate
Seed timing
Fall → spring
Seed
Hard seed; scarify, then cold-moist stratify about 60–90 days. Sow shallow in sandy acidic medium.
Cutting timing
Late spring–summer
Cuttings
Root/rhizome division and root cuttings are more reliable than stem cuttings; softwood cuttings can be trialed with mist.
Best nursery method
Root/rhizome division
Protocol specificity
Specific/common-name
Key nursery notes
Use local ecotype/provenance when producing restoration stock.

Sweetgum

Liquidambar styraciflua

NATIVE TREES & SHRUBSModerate
Seed timing
Fall → spring
Seed
Collect seed balls when brown; cold-moist stratify about 30–60 days and surface/shallow sow.
Cutting timing
Late spring–summer
Cuttings
Softwood cuttings from juvenile stock can root under mist with moderate IBA; root cuttings also possible.
Best nursery method
Seed / softwood cuttings
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

Sweetgum logs

MUSHROOMS & GROWING MATERIALSModerate
Seed
Not propagated from seed. Use clean mushroom spawn (plug, sawdust, grain, or other species-appropriate spawn).
Cuttings
Not propagated from plant cuttings. Inoculate suitable substrate/logs with spawn; maintain species-appropriate moisture and incubation conditions.
Best nursery method
Spawn inoculation
Protocol specificity
General mushroom method
Key nursery notes
Track strain, substrate species, inoculation date, moisture, and fruiting conditions.

Switchgrass

Panicum virgatum

NATIVE GRASSESEasy–Moderate
Seed timing
Late fall dormant sow or Feb–May
Seed
Clean seed; many warm-season grasses germinate without treatment, but 30–60 days cold-moist stratification can improve uniformity in some native lots. Surface/shallow sow with light.
Cutting timing
Spring
Cuttings
Do not use stem cuttings. Divide vigorous crowns/clumps into rooted sections before rapid spring growth.
Best nursery method
Seed for volume; crown division for clones
Protocol specificity
Functional group
Key nursery notes
Warm-season grasses prefer warm germination temperatures after dormancy is satisfied.

Sycamore

TREE SEEDLINGSModerate
Seed timing
Fall → spring
Seed
Collect seed balls after maturity, break apart, clean achenes. Cold-moist stratify about 30–60 days; surface/shallow sow with light.
Cutting timing
Late spring–summer
Cuttings
Hardwood cuttings and softwood cuttings can root; use juvenile material and 1,000–3,000 ppm IBA.
Best nursery method
Seed / cuttings
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

Table grape

VINES & CLIMBERSEasy–Moderate
Seed timing
Fall collection; stratify for spring
Seed
Clean seed and cold-moist stratify about 90–120 days. Seedlings are variable and not true to cultivar.
Cutting timing
Dormant Dec–Mar or softwood May–Jun
Cuttings
Use 8–12 in hardwood cuttings with 3–4 buds; stick with 1 bud above medium. Some grape types/muscadines root better by softwood cuttings or layering; use IBA as needed.
Best nursery method
Cuttings / layering
Protocol specificity
Crop group
Key nursery notes
Clone named cultivars; seed is for breeding/rootstock work.

Trumpet honeysuckle

Lonicera sempervirens

NATIVE VINESModerate
Seed timing
Fall collection / spring sow
Seed
Clean berries; cold-moist stratify about 60–90 days, then shallow sow.
Cutting timing
Late spring–summer
Cuttings
Softwood/semi-hardwood cuttings root well under mist with light IBA.
Best nursery method
Softwood cuttings
Protocol specificity
Specific/common-name
Key nursery notes
Seed-grown vines may vary; vegetative methods are faster for uniform stock.

Trumpet vine

Campsis radicans

NATIVE VINESModerate
Seed timing
Fall collection / spring sow
Seed
Cold-moist stratify about 30–60 days; sow shallow in spring.
Cutting timing
Late spring–summer
Cuttings
Root cuttings, suckers, or softwood stem cuttings root readily; control spread.
Best nursery method
Root cuttings / suckers
Protocol specificity
Specific/common-name
Key nursery notes
Seed-grown vines may vary; vegetative methods are faster for uniform stock.

Tulip poplar

Liriodendron tulipifera

NATIVE TREES & SHRUBSModerate
Seed timing
Fall → spring
Seed
Collect samaras in fall; cold-moist stratify about 60–90 days. Sow shallow; expect many empty seeds.
Cutting timing
Late spring–summer
Cuttings
Softwood cuttings are difficult; use juvenile stock, mist, and moderate IBA. Seed is standard.
Best nursery method
Seed
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

Viburnum

LANDSCAPE SELECTIONModerate
Seed timing
Varies
Seed
Verify exact species/cultivar. Use clean seed-starting mix; sow at a depth appropriate to seed size and keep evenly moist.
Cutting timing
Varies
Cuttings
Verify exact species/cultivar. Trial softwood or semi-hardwood cuttings under high humidity in a sterile, well-drained medium; use rooting hormone when appropriate.
Best nursery method
Seed or cuttings, depending on stock goal
Protocol specificity
General category
Key nursery notes
Broad catalog category; exact propagation depends on the species/cultivar sold.

Virginia creeper

Parthenocissus quinquefolia

NATIVE VINESModerate
Seed timing
Fall collection / spring sow
Seed
Clean fruit; cold-moist stratify about 60–90 days, then sow shallow.
Cutting timing
Late spring–summer
Cuttings
Use 4–6 in softwood or hardwood cuttings with 2–3 nodes; light IBA helpful.
Best nursery method
Stem cuttings
Protocol specificity
Specific/common-name
Key nursery notes
Seed-grown vines may vary; vegetative methods are faster for uniform stock.

Virginia pine

Pinus virginiana

NATIVE TREES & SHRUBSHard for cuttings
Seed timing
Cone/fruit maturity → fall or spring
Seed
Little dormancy in many lots; 30 days cold-moist stratification can improve uniformity. Sow shallow.
Cutting timing
Late summer–winter
Cuttings
Stem cuttings of most pines are difficult. Trial only very juvenile shoots with strong IBA and mist; use seed for normal production.
Best nursery method
Seed
Protocol specificity
Species/common-name specific
Key nursery notes
For seedling production, seed is usually cheaper and faster than cuttings.

White oak

TREE SEEDLINGSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect acorns as soon as they drop. Keep moist and cool; do not let them dry. White-oak-group acorns have little dormancy and may begin rooting in fall; sow immediately 1–2 in deep, protected from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Wildflower meadow mix

MEADOW PLANTS & SEEDModerate
Seed timing
Fall–early spring
Seed
Broadcast or tray-sow according to component species. Many native perennials benefit from 30–90 days cold-moist stratification; annuals often need none.
Cutting timing
Spring–summer for clonal species
Cuttings
Use softwood/herbaceous cuttings only for species known to root; otherwise divide or grow from seed.
Best nursery method
Seed mix; species-specific division/cuttings
Protocol specificity
General mix
Key nursery notes
Do not use one treatment for all components; separate species when uniform germination is important.

Willow

NURSERY SELECTIONSVery easy
Seed timing
Late spring when seed ripens
Seed
Seed is tiny and short-lived; sow immediately on moist surface with light and constant moisture. Do not dry or store long.
Cutting timing
Dormant late fall–early spring; softwood spring
Cuttings
Stick 8–18 in hardwood whips directly into moist medium/soil with several nodes buried. Rooting hormone usually unnecessary.
Best nursery method
Hardwood cuttings
Protocol specificity
Specific genus
Key nursery notes
Ideal for living structures and rapid liner production.

Willow oak

Quercus phellos

NATIVE TREES & SHRUBSEasy from seed; hard from cuttings
Seed timing
Sep–Nov acorn drop
Seed
Collect sound acorns at drop. Keep moist, never dry. Cold-moist stratify about 30–90 days (red-oak group) and sow 1–2 in deep in spring; protect from rodents.
Cutting timing
Late spring juvenile shoots (trial)
Cuttings
Stem cuttings are generally poor/difficult for oaks. For clonal work, use juvenile softwood cuttings with mist/strong IBA, stool-bed layering, or grafting; seed is standard for seedlings.
Best nursery method
Acorns / seed
Protocol specificity
Species group
Key nursery notes
Grade acorns by float/cut test cautiously; maintain moisture during storage.

Wine cap mushrooms

MUSHROOMS & GROWING MATERIALSModerate
Seed
Not propagated from seed. Use clean mushroom spawn (plug, sawdust, grain, or other species-appropriate spawn).
Cuttings
Not propagated from plant cuttings. Inoculate suitable substrate/logs with spawn; maintain species-appropriate moisture and incubation conditions.
Best nursery method
Spawn inoculation
Protocol specificity
General mushroom method
Key nursery notes
Track strain, substrate species, inoculation date, moisture, and fruiting conditions.

Wine grape

VINES & CLIMBERSEasy–Moderate
Seed timing
Fall collection; stratify for spring
Seed
Clean seed and cold-moist stratify about 90–120 days. Seedlings are variable and not true to cultivar.
Cutting timing
Dormant Dec–Mar or softwood May–Jun
Cuttings
Use 8–12 in hardwood cuttings with 3–4 buds; stick with 1 bud above medium. Some grape types/muscadines root better by softwood cuttings or layering; use IBA as needed.
Best nursery method
Cuttings / layering
Protocol specificity
Crop group
Key nursery notes
Clone named cultivars; seed is for breeding/rootstock work.

Winged sumac

Rhus copallinum

NATIVE TREES & SHRUBSEasy–Moderate
Seed timing
Late summer–fall
Seed
Hard-coated seed. Scarify (hot-water soak or mechanical nicking), then cold-moist stratify about 30–90 days before spring sowing.
Cutting timing
Dormant season for root cuttings; spring suckers
Cuttings
Use 2–4 in root cuttings laid horizontally under 1/2 in medium, or divide suckers with roots. Stem cuttings are less reliable.
Best nursery method
Root cuttings / suckers
Protocol specificity
Genus
Key nursery notes
Excellent candidate for clonal root propagation; control spread in production blocks.

Winterberry holly

Ilex verticillata

NATIVE TREES & SHRUBSModerate
Seed timing
Fall collection; long dormancy
Seed
Clean berries thoroughly. Warm stratify roughly 60–90 days then cold-moist stratify 90–120 days; some lots germinate in the second season.
Cutting timing
Semi-hardwood Jul–Sep
Cuttings
Use 3–6 in semi-hardwood cuttings; wound base and use moderate-to-strong IBA (about 2,000–5,000 ppm) under mist in perlite/peat.
Best nursery method
Semi-hardwood cuttings
Protocol specificity
Genus
Key nursery notes
For berry production, label sex and clone known female/male plants as needed.

Zelkova

TREE SEEDLINGSModerate
Seed timing
Fall → spring
Seed
Collect mature drupes in fall; cold-moist stratify about 60–90 days, then shallow sow.
Cutting timing
Late spring–summer
Cuttings
Softwood cuttings root from juvenile stock with mist and 1,000–3,000 ppm IBA.
Best nursery method
Seed / softwood cuttings
Protocol specificity
Specific/common-name
Key nursery notes
Use juvenile, healthy stock plants for best rooting; seed-grown trees may vary.

How to use this guide

  • Cuttings: Where stem cuttings are unreliable or inappropriate, the guide lists the most useful vegetative alternative, including root cuttings, division, runners, layering, grafting, bulbs, or spawn.
  • IBA rates: These are approximate starting ranges. Rooting response changes with species, mother-stock age, formulation, season, temperature, and mist conditions. Trial small batches before scaling.
  • Seed-grown variation: Named fruit, nut, ornamental, and hybrid cultivars often do not come true from seed. Use seed for species seedlings, rootstocks, breeding, or genetic diversity; use clonal methods when cultivar identity matters.
  • Broad catalog entries: Mixed or general groups require confirmation of the exact species or cultivar before production.
  • Responsible collection: Obtain permission, follow applicable laws, and avoid taking rare plants or excessive seed from wild populations.

Primary references

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