Back to species databaseForb / Wildflower

Western Ironweed

Vernonia baldwinii

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Category
Forb / Wildflower
Sun
Full
Soil moisture
Medium to Medium-Dry
Bloom time
Jul–Sep
Bloom color
Purple

About Western Ironweed

Western Ironweed is a rugged and resilient prairie staple known for its intense purple blooms and unwavering durability. Growing 3 to 6 feet tall, this perennial produces dense, flat-topped clusters of fuzzy, deep violet flowers from July through September. Its common name refers to the legendary toughness of its stems, which remain upright even in the face of strong winds and heavy rain. Native to the central United States, particularly the Great Plains and Midwest, Western Ironweed thrives in dry to medium-moisture prairies, pastures, and open woodlands. It is a magnet for pollinators, serving as a preferred nectar source for monarch butterflies, swallowtails, and numerous species of native bees. Gardeners appreciate its ability to tolerate poor, rocky soils and drought once established. For those looking to add a pop of late-summer color that stands up to the elements, Western Ironweed is an ideal candidate. It is best grown in full sun and can be easily established from seed, though it may take a couple of seasons to reach its full flowering potential.

Native range

Native to 14 states:

ArkansasColoradoIowaIllinoisKansasKentuckyLouisianaMinnesotaMissouriNebraskaNew MexicoOklahomaSouth DakotaTexas

County range map

BONAP county-level native range map for Vernonia baldwinii

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

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