American Ginseng |
General |
Common Name | American Ginseng |
Latin Name | Panax quinquelfolius |
Category | Medicinals |
Family | Araliaceae |
Variety | |
Visual Traits |
Flower | many in a terminal umbel |
Foliage/Fall leaf color | bright golden-yellow fall color |
Fruit | fleshy red berry, usually 2 seeded but occasionally one or three white colored seeds |
Height | 3 inches (seedlings) to 24 inches, rarely taller mature plants |
Other valued traits | medicinal use by many cultures, considered an adaptogen, attractive ornamental |
Spread | 3 inches (seedlings) to 24 inches, rarely wider mature plants |
Cultivation |
Cultivation and Mulching | mulch with two inch layer of shredded sugar maple leaves |
Field preparation and planting | hand till or shallow rottotill soil to 2 inch depth |
Field spacing / planting depth | thin to one plant per square foot |
Harvest | usually harvested at 7 to 10 years or older |
Pollination | primarily self pollinated but some cross pollination by small bees |
Propagation method | seeds only |
Retail Source | several |
Seed harvest | fall, when berries turn red, August to October |
Seed treatment and storage | requires complex stratification, berries are usually depulped, mixed with coarse sand and buried for one year |
Seedling treatment | protect from slugs |
Sowing seed | fall planted in North, (September to November) up to February in south |
Transplant | 2 year old and older roots easily transplanted after August |
Watering guidelines | not usually watered in forest |
Critters |
Insect and invertebrate pests | slugs, gray aphids, cutworms, stinkbugs, |
Pathogens | Phytophthora cactorum, Alternaria panax, Rhizoctonia,Cylindrocarpon, (rust complexes) |
Toxicity | None |
Wildlife Pests | deer are serious pests, as are voles |
Soils |
Compaction (tolerance) | some |
Fertility / quality | low to moderate fertility |
Minerals | high calcium requirement |
Moisture and drainage | prefers moist but well drained |
pH | wide range from 3.6 to 7.6 |
Salt tolerance | none |
Soils and topography | prefers mild to moderate slope, found midslope most often |
Texture | wide range from sand to clay loams |
Growth Pattern |
Fruit bearing age / full crop load | varies with site from age 5 to age 10, full crop usually by age 10 |
Good seed crop interval (fruit load) | annual if not eaten by critters |
Growth rate | slow, somewhat site dependent |
Longevity | potentially very long lived, up to 150 years or more |
Root habit | perennial |
Habitat and Climate |
Exposure | north, northeast preferred |
Fire tolerance | none |
Frost-free days (FFD) | as few as 60 |
Growing degree days (GDD) | wide range |
Hardiness Zone | USDA Zones 3,4,5,6, |
Native Range | northern Georgia to Southern Quebec, west to Wisconsin, northern Arkansas and Alabama |
Rainfall / humidity | moderate 35 to 55 |
Wind / ice / frost susceptibility | somewhat frost tolerant in fall, less so in early spring |
Light |
Light recommendation | requires 65 to 85% shade, optimal shade is in a mature sugar maple forest, 80% basal area |
Shade tolerance | high, up to 90% shade tolerated |
Vegetation Associations |
Competitive ability | competes well with native plants poorly with exotics i.e garlic mustard |
Indicator species | Maidenhair 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 |
Images |
American Ginseng
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