(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
Green Thumb Tip Sow seeds outdoors just before last frost.
Coneflowers prefer well-drained average soil and
tolerate heat and drought. Blooms the first year
from seed if sown early.