Vernonia gigantea (Giant Ironweed) is a species of perennial herb in the family Asteraceae. They have a self-supporting growth form. They are native to The Contiguous United States. They have simple, broad leaves. Flowers are visited by Dielis plumipes, Eastern Giant Swallowtail, Silver-spotted Skipper, and Apis mellifera.
EOL has data for 11 attributes, including: