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Vernonia gigantea (Walt.) Trel.
Giant ironweed, Tall Ironweed
USDA Symbol: vegi
USDA Native Status: Native to U.S.
Tall erect stem bears deep purple-blue flower heads in loose terminal clusters.
The common name refers to the toughness of the stem. The genus name honors the English botanist William Vernon, who did fieldwork in North America. At least 6 additional species are found in the East; some were once used for treating stomach ailments.
Bloom InformationBloom Color: Purple
Bloom Time: Aug , Sep , Oct
AL , AR , DE , FL , GA , IA , IL , IN , KS , KY , LA , MD , MI , MO , MS , NC , NY , OH , OK , PA , SC , TN , TX , VA , WV Canada: ON Native Distribution:
New York south to Georgia; west to Louisiana; north to Missouri, Illinois, and Michigan. Native Habitat:
Damp, rich soil. USDA Native Status: L48(N), CAN(N)
Growing ConditionsLight Requirement: Sun , Part Shade , Shade
Soil Moisture: Moist
Conditions Comments: Very adaptable, hardy.
BenefitUse Wildlife: Bees
Conspicuous Flowers: yes
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Record Modified: 2012-12-09
Research By: TWC Staff