Wasowski, Sally and Andy
Vernonia fasciculata Michx.
Prairie ironweed, Common ironweed
Asteraceae (Aster Family)
The stout, unbranched, 2-5 ft. stems bears numerous lance-shaped, coarsely-toothed, dark-green leaves. Attractive floral sprays are composed of densely clustered, rose-purple flowers.
Image Gallery: 3 photo(s) available
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: Purple
Bloom Time: Jul , Aug , Sep
AR , CO , IL , IN , IA , KS , KY , MA , MN , MS , MO , MT , NE , NY , ND , OH , OK , SD , WI Canada: MB
, SK Native Distribution:
OH to Sask., s. to TX; introduced elsewhere Native Habitat:
Wet prairies; marshes USDA Native Status: L48(N), CAN(N)
Growing ConditionsLight Requirement: Sun , Part Shade , Shade
Soil Description: Fertile, moist to wet soils.
Conditions Comments: Too aggressive for small areas. Needs competition.
BenefitConspicuous Flowers: yes
Larval Host: Larval host for American painted lady.