Tall Ironweed
Vernonia gigantea
(formerly Vernonia altissima)

Other common names: Ironweed

Other scientific names: Vernonia altissima, Chrysocoma gigantea, Vernonia noveboracensis

French names: Veronie géante

Family: Composite Family (Asteraceae)

Flowers: Summer;  Blue/Violet;  5 parts (petals)

Leaves: Simple, Toothed, Entire

Height: 100-200 cm (39-78 in)

Habitat: Fields and Open Areas

Grows in Sun/Shade: Sun

Books: Newcomb's Wildflower Guide: 210   

Native/Non-native: Native

Origin and Meaning of Names:
 Scientific Name: altissima: tall

For more information visit: Ontario Wildflowers

Photographs: 122 photographs available, of which 1 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page

Tall Ironweed (Vernonia gigantea)
Photograph by Graham Buck

Range map for Tall Ironweed (Vernonia gigantea)

PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.

(Range map provided courtesy of the USDA website and is displayed here in accordance with their Policies)

 

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