Threadleaf Ironweed

Plant Information

Taxonomic Name: Vernonia lettermannii cv. Iron Butterfly
Common Name: Threadleaf Ironweed
Type: Herbaceous Perennial
Zone: 4, 5, 6, 7, 8, 9
Height: 18-36 inches
Flower Color: Purple
Wildlife: Bees; Butterflies
Special Characteristics: Humidity tolerant