How, When and Why of Forest Farming Website

American Ginseng

General
Common NameAmerican Ginseng
Latin NamePanax quinquelfolius
CategoryMedicinals 
FamilyAraliaceae 
Variety 
Visual Traits
Flowermany in a terminal umbel
No Citation Available
Foliage/Fall leaf colorbright golden-yellow fall color
No Citation Available
Fruitfleshy red berry, usually 2 seeded but occasionally one or three white colored seeds
No Citation Available
Height3 inches (seedlings) to 24 inches, rarely taller mature plants
No Citation Available
Other valued traitsmedicinal use by many cultures, considered an adaptogen, attractive ornamental
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Spread3 inches (seedlings) to 24 inches, rarely wider mature plants
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Cultivation
Cultivation and Mulchingmulch with two inch layer of shredded sugar maple leaves
No Citation Available
Field preparation and plantinghand till or shallow rottotill soil to 2 inch depth
No Citation Available
Field spacing / planting depththin to one plant per square foot
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Harvestusually harvested at 7 to 10 years or older
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Pollinationprimarily self pollinated but some cross pollination by small bees
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Propagation methodseeds only
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Retail Sourceseveral
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Seed harvestfall, when berries turn red, August to October
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Seed treatment and storagerequires complex stratification, berries are usually depulped, mixed with coarse sand and buried for one year
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Seedling treatmentprotect from slugs
No Citation Available
Sowing seedfall planted in North, (September to November) up to February in south
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Transplant2 year old and older roots easily transplanted after August
No Citation Available
Watering guidelinesnot usually watered in forest
No Citation Available
Critters
Insect and invertebrate pestsslugs, gray aphids, cutworms, stinkbugs,
No Citation Available
PathogensPhytophthora cactorum, Alternaria panax, Rhizoctonia,Cylindrocarpon, (rust complexes)
No Citation Available
ToxicityNone
No Citation Available
Wildlife Pestsdeer are serious pests, as are voles
No Citation Available
Soils
Compaction (tolerance)some
No Citation Available
Fertility / qualitylow to moderate fertility
No Citation Available
Mineralshigh calcium requirement
No Citation Available
Moisture and drainageprefers moist but well drained
No Citation Available
pHwide range from 3.6 to 7.6
No Citation Available
Salt tolerancenone
No Citation Available
Soils and topographyprefers mild to moderate slope, found midslope most often
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Texturewide range from sand to clay loams
No Citation Available
Growth Pattern
Fruit bearing age / full crop loadvaries with site from age 5 to age 10, full crop usually by age 10
No Citation Available
Good seed crop interval (fruit load)annual if not eaten by critters
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Growth rateslow, somewhat site dependent
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Longevitypotentially very long lived, up to 150 years or more
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Root habitperennial
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Habitat and Climate
Exposurenorth, northeast preferred
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Fire tolerancenone
No Citation Available
Frost-free days (FFD)as few as 60
No Citation Available
Growing degree days (GDD)wide range
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Hardiness ZoneUSDA Zones 3,4,5,6,
No Citation Available
Native Rangenorthern Georgia to Southern Quebec, west to Wisconsin, northern Arkansas and Alabama
No Citation Available
Rainfall / humiditymoderate 35 to 55
No Citation Available
Wind / ice / frost susceptibilitysomewhat frost tolerant in fall, less so in early spring
No Citation Available
Light
Light recommendationrequires 65 to 85% shade, optimal shade is in a mature sugar maple forest, 80% basal area
No Citation Available
Shade tolerancehigh, up to 90% shade tolerated
No Citation Available
Vegetation Associations
Competitive abilitycompetes well with native plants poorly with exotics i.e garlic mustard
No Citation Available
Indicator speciesMaidenhair fern, rattlesnake fern, baneberry, blue cohosh (north). Goldenseal, black cohosh, bloodroot,spicebush (south). Competes well with most native plants, poorly with exotics ie.garlic mustard
No Citation Available