Plant Library

Ironweed Vernonia

Common Name: Ironweed

Botanical Name: Vernonia

Variety: Vernonia

Blossom Color: Purple

Bloom Time: Jul-Sep

Zone: 3 to 9

Exposure: Sun or Part Shade

Mature Height: 6'

Mature Width: 2-3'

Notes: A large cluster of brilliant purple flowers on a tall plant. A sight to see in late summer and fall. Fluffy seeds add further interest. Thrives in moister soils. Host plant for the American Painted Lady butterfly and is recognized to have special value for native bees.