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Riddell's Goldenrod

Oligoneuron riddellii

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Category
Forb / Wildflower
Sun
Full
Soil moisture
Wet to Medium
Bloom time
Aug–Oct
Bloom color
Yellow
Notes
Calcareous

About Riddell's Goldenrod

Riddell's Goldenrod is a beautiful specialist of the wet prairie, prized for its unique foliage and late-season brilliance. This perennial typically grows 2 to 3 feet tall and is distinguished by its narrow, arching leaves that are often folded along the midrib, giving the plant a graceful, textured appearance. In late summer and through October, it produces dense, mounded clusters of lemon-yellow flowers that seem to glow in the autumn light. Native to calcareous wet prairies and fens in the Midwest and Ontario, it is a plant of high conservation value and a favorite for specialized restoration projects. It thrives in full sun and wet to medium-moisture soils, particularly those with a higher pH. The nectar-rich blossoms are a vital resource for late-migrating butterflies and pre-hibernation bees. Interestingly, the leaves often begin to wither as the plant reaches its peak bloom, focusing all its energy on its spectacular floral display. This is an excellent choice for rain gardens or moist meadow plantings where its unique form and late color can be fully appreciated.

Native range

Native to 12 states:

ArkansasIowaIllinoisIndianaKansasMichiganMinnesotaMissouriNorth DakotaOhioSouth DakotaWisconsin

County range map

BONAP county-level native range map for Oligoneuron riddellii

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

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