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Pasture Thistle

Cirsium discolor

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Category
Forb / Wildflower
Sun
Full to Partial
Soil moisture
Medium to Medium-Dry
Bloom time
Aug–Oct
Bloom color
Purple
Notes
Biennial

About Pasture Thistle

Pasture Thistle is a stunning native biennial or short-lived perennial that offers an explosion of color and life to any prairie or meadow restoration. This plant is easily recognized by its deeply lobed leaves with striking white, felt-like undersides that contrast beautifully with the green tops. In late summer and fall, it produces large, 1-to-2-inch purple flower heads that are absolutely magnetic to pollinators. Native to a broad range across eastern North America, it is typically found in prairies, pastures, and open fields. It can reach heights of 2 to 8 feet, making it a prominent feature in the landscape. It is a critical resource for late-season pollinators, including many species of bees and butterflies, and goldfinches are frequently seen harvesting the fluffy seeds for food and nesting material. It also supports the larvae of the Painted Lady butterfly. Pasture Thistle thrives in full to partial sun and adapts well to a variety of medium to medium-dry soils. As a biennial, it forms a rosette in its first year and blooms in its second. Its presence in a landscape provides vital ecological services while showcasing the true beauty of native thistles.

Native range

Native to 34 states:

AlabamaArkansasConnecticutD.C.DelawareGeorgiaIowaIllinoisIndianaKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiNorth CarolinaNorth DakotaNew HampshireNew JerseyNew YorkOhioPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasVirginiaVermontWisconsinWest Virginia

County range map

BONAP county-level native range map for Cirsium discolor

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

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