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Wasowski, Sally and Andy
Vernonia fasciculata Michx.
Prairie ironweed, Common ironweed
USDA Symbol: vefa2
USDA Native Status: L48 (N), CAN (N)
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.
Plant CharacteristicsDuration: Perennial Habit: Herb Fruit: Size Class:
Bloom InformationBloom Color: Purple
Bloom Time: Jul , Aug , Sep
, WI Canada: MB
, SK Native Distribution: OH
to Sask., s. to TX; introduced elsewhere Native Habitat:
Wet prairies; marshes
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.
Mr. Smarty Plants says
Host plants for American Painted Lady larvae in Ohio
June 25, 2009
Need to know what plants to plant as host plants for American Painted lady butterflies have larve coming in mail in few days , live in Vermilion Ohio on the Lake Erie. Thank You for your knowledge Pa...
view the full question and answer
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
Ohio Prairie Nursery
- Hiram, OHPrairie Nursery
- Westfield, WI
Record Last Modified: 2009-03-04
Research By: TWC Staff