Vernonia Ironweed

Ironweed is a common name often given to a many different weeds, however it is most correctly given to members of the Vernonia genus. The ironweeds are perennials with showy purple flowers and are given the name because of their stout stems that often persist throughout the winter.

Varieties
Vernonia lettermannii 'Iron Butterfly'

lettermannii 'Iron Butterfly'

Vernonia noveboracensis

noveboracensis