Canadian Wild Ginger
Asarum canadense
Canadian Wild Ginger is one of the most reliable deciduous groundcovers for deep shade in eastern North America — its large, handsome leaves naturalizing slowly across acidic woodland soil in a way that feels less like planting and more like encouraging something that was already meant to be there.
Across its vast native range in eastern North America, Canadian Wild Ginger grows on the rocky, acidic, humus-rich soils of shaded woodlands, spreading gradually by underground rhizomes into soft, dense mats that hold moisture and suppress weeds in the conditions where lawn simply will not grow. It is a deciduous plant — the foliage disappears in winter and returns in spring, which is a useful distinction from its evergreen cousins and something to account for in a planting design that needs year-round cover.
The flowers, tiny and brown-purple, open hidden beneath the leaves in spring. They are pollinated by flies drawn to a faint sweet fragrance, but they are also capable of self-pollination — a practical adaptation for a plant growing in conditions where pollinators can be sparse. What makes this species particularly useful in challenging garden situations is its tolerance: deep shade, wet soils, erosion-prone slopes, deer pressure, and heavy acidity are all conditions it handles without complaint. Zones 4 to 6 limit its range compared to some Asarum relatives, but within those limits it is as dependable as any groundcover in cultivation. Propagate through rhizome division or allow it to self-seed where conditions suit.
Canadian Wild Ginger
Asarum canadense
Common Wild Ginger, Wild Ginger