Growing American Ginseng: A Complete Profile
By Growing Home Greens Team · August 10, 2026
American ginseng is a slow woodland perennial, taking 180-plus days just to germinate and several years more before the root is worth digging.
Real shade, not part shade
This is a strict requirement, not a preference: ginseng needs at least 70 percent shade, ideally under a hardwood canopy of oak, maple, sycamore, or basswood. A partly sunny bed that other “shade-tolerant” plants would manage fine simply won’t grow ginseng well.
Sowing and early care
Direct-seed only, half to three-quarters of an inch deep and never more than an inch, about 3 inches apart, then mulch 3 to 4 inches deep with leaves or straw and keep the mulch moist so it stays in place. New shoots start out small, looking like bean sprouts with three small leaves, so weed carefully around young plants to avoid disturbing the roots. It prefers a light loam soil high in humus with a pH of 5.0 to 6.0, and good drainage is critical.
Patience pays in ginsenoside content
Roots can technically be dug starting at the end of the third growing season, but the medicinal ginsenoside content increases dramatically between years four and five, which is why most growers wait that long. Dig in early fall, late August or early September, right after the tops die back and the roots enter dormancy, when ginsenoside content peaks.
American ginseng has no recorded companions or antagonists in our data. See the full companion guide for american ginseng for how it’s tracked. Given its shade requirement and multi-year timeline, it needs a wooded, undisturbed spot in the Garden Designer rather than a rotating vegetable bed.
Source: American Ginseng: Key Growing Information, Johnny’s Selected Seeds.
Companion planting guide for American Ginseng · Find your planting dates
Typically viable in USDA zones 4-8. Not sure your zone? Look it up by ZIP code.
Method: Direct sow: Direct-sow outside. American Ginseng doesn't transplant well, or doesn't need the extra time indoors.
See exact start-indoors, direct-sow, and harvest dates for your zone →
How many American Ginseng plants fit per square foot?
Spacing: 4 per square foot (square-foot-gardening spacing). Mature height: 0.5-1.5 ft.
Varieties worth considering
- Straight-species American ginseng (Panax quinquefolius): Johnny's Selected Seeds sells this species plain, without competing named cultivars; it's a woodland native grown for its root, not a plant with meaningful bred variation. (source)
Cited from the source shown next to each variety. We haven't grown these ourselves yet, so treat this as a research-backed starting point, not a personal endorsement.
Where to buy american ginseng seeds
As an Amazon Associate we earn from qualifying purchases. Some links on this page also go to other retailers we may earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a genuine consensus of positive, independent reviews. See the sources cited on each item.
See it growing
Search YouTube for "growing american ginseng" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
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Growing American Ginseng: A slow woodland perennial, taking 180-plus days just to germinate and several years more before the root is worth digging.
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