Wild Ginger
Asarum
Wild Ginger is grown for its foliage rather than flowers, giving the garden structure and color all season long.
This entry comes from our curated library and has not yet been independently checked against outside sources. Curated is not unreliable: a standing audit keeps every entry internally consistent, and the source-by-source check is working through the whole library in the open.
Growing Wild Ginger
Plant it in full shade. It prefers moderate water. It is hardy in USDA zones 4–8. Expect it to reach about 6 in tall and 12 in wide at maturity, in roughly 3 years.
When to plant Wild Ginger
Plant Wild Ginger in early spring as soon as the soil is workable, or in early fall at least six weeks before your first frost, so roots establish in cool weather. For the middle of its hardy zones 4 to 8 range, spring means March to May and fall means August or September.
Month-by-month timing for your zone is on the planting calendar: for the middle of its range, start with zone 6 in March.
Good to know about Wild Ginger
Curated from university extensions, botanic gardens and other primary sources, with the source named on every note.
Safety
No part is safe to eat: it holds aristolochic acid, a known human carcinogen that is nephrotoxic, causing irreversible kidney damage and urinary-tract cancer on ingestion. per NCI and NC State
Worth knowing
Despite the name and a ginger-like scent from its rhizome, it is not culinary ginger (Zingiber): it belongs to the birthwort family, Aristolochiaceae. per NC State
Warm-zone limit varies
NC State lists native A. canadense at zones 4a to 6b, while European A. europaeum and group guidance run to zone 7 or 8. Warm-end hardiness is unsettled. per NC State and Missouri Botanical Garden
Native groundcover for shade
It knits into a slow, dense carpet in deep shade without going invasive, a native stand-in for aggressive evergreen groundcovers like English ivy and wintercreeper. per NC State and University of Illinois
Deer and rabbit resistant
Strongly deer resistant and reported rabbit resistant too: browsing wildlife find the foliage unpalatable, and it tolerates deer and heavy shade at once. per NC State
Pipevine swallowtail host plant
It is a larval host for pipevine swallowtail butterflies: its wildlife value is as caterpillar food, not as nectar for adult pollinators. per NC State
Hidden ground-level jug flowers
Its odd jug-shaped, brownish-purple flowers, under 1 in across, sit hidden at ground level under the leaves, so it is grown for foliage, not flowers. per NC State
What pairs well with Wild Ginger
Good companions share its growing conditions and add something it lacks: an earlier or later bloom, a lower carpet in front, or structure through winter.
Rhododendron
Takes part shade to full shade and moderate water; stands well above at 5.9 ft, a canopy to plant beneath; evergreen, so the bed keeps its shape through winter.
Northern Sea Oats
Takes part shade to full shade and moderate water; stands well above at 3.3 ft, a canopy to plant beneath; its seed heads stand through winter, for structure and the birds; both are native plants.
Christmas Fern
Shares full shade and moderate water; evergreen, so the bed keeps its shape through winter; taller at 1.6 ft, for the layer behind it; both are native plants.
Camellia
Takes part shade to full shade and moderate water; stands well above at 6.6 ft, a canopy to plant beneath; evergreen, so the bed keeps its shape through winter; they only overlap in zones 7 to 8.
Goatsbeard
Takes part shade to full shade and moderate water; stands well above at 3.9 ft, a canopy to plant beneath; both are native plants.
Autumn Fern
Takes part shade to full shade and moderate water; evergreen, so the bed keeps its shape through winter; taller at 1.6 ft, for the layer behind it.
Holly Fern
Shares full shade and moderate water; evergreen, so the bed keeps its shape through winter; taller at 1.6 ft, for the layer behind it.
Japanese Forest Grass
Takes part shade to full shade and moderate water; its seed heads stand through winter, for structure and the birds; taller at 1.3 ft, for the layer behind it.
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