There are so many coneflower varieties, you'll be spoiled for choice when it comes to understanding how to grow coneflower. Echinacea is a hardy perennial that survives very cold winters.

AGRICULTURAL AND FARM NEWS Aster yellows is a condition that affects many flowers including not only coneflower, but also asters, chrysanthemum, coreopsis, cosmos, daisy, dianthus, gladiolus, ...