Plant Details

Common Name:Iron Butterfly Vernonia

Botanical Name:Vernonia lettermanii 'Iron Butterfly'

Plant Type:PERENNIAL

Sun Exposure:Full Sun

Bloom Time:Summer

Average Size:24-36" x 36" (61-91cm x 91cm)

Cold Hardiness:-30°F to -20°F / -34°C à -29°C (USDA Zone 4)

Description:Upright perennial boasts nonstop magenta-purple blooms above the lush needle thin, fine green foliage in late summer. Attracts butterflies to the garden. Once established it tolerates dry soil and drought conditions. Disease resistant. Good massed in borders.