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Riverbank Wild Rye

Elymus riparius

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Category
Grass / Sedge / Rush
Sun
Partial to Shade
Soil moisture
Medium-Wet to Medium
Bloom time
Jun–Aug
Notes
Cool

About Riverbank Wild Rye

Riverbank Wild Rye (Elymus riparius) is a graceful, clump-forming grass specifically adapted to the dynamic environments of shorelines and floodplains. Reaching 3 to 5 feet in height, it features slender, arching stems and nodding seed heads that are typically less bristly than those of Canada Wild Rye. Native to the eastern half of North America, it is most at home in the moist, fertile soils of riverbanks, wet meadows, and bottomland forests. This cool-season perennial is an essential tool for streambank stabilization, as its fibrous roots help hold soil against flowing water. It provides valuable nesting material and cover for waterfowl and songbirds, while its foliage supports various native insects. The plant maintains a soft green color throughout the growing season before turning a warm tan in winter. Riverbank Wild Rye thrives in partial shade to full sun and consistently moist to wet soils. Germination is straightforward, as the seeds require no cold stratification and can be sown directly in spring or fall.

Native range

Native to 30 states:

ArkansasConnecticutD.C.DelawareFloridaGeorgiaIowaIllinoisIndianaKentuckyMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiNorth CarolinaNew HampshireNew JerseyNew YorkOhioPennsylvaniaRhode IslandSouth CarolinaTennesseeVirginiaVermontWisconsinWest Virginia

County range map

BONAP county-level native range map for Elymus riparius

Range map courtesy of BONAP (Biota of North America Program).

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