Prairie, Purple Coneflower
- Perennial and hardy to zone 4
- One of the very best for attracting butterflies and birds
- Plants grow to 3-4 feet tall
- Heavy yields of purple-magenta flowers from July through September
- Tolerates clay soils
(Echinacea purpurea) One of the very best for attracting butterflies and birds, this showy and easy-to-grow plant adds a flashy touch to the late summer landscape. Blooms heavily from July through September. Will tolerate clay soils. Plants reach 3-4' tall. Perennial. Hardy to zone 4.