Echinacea species comparisons

Our 9 native American Echinacea species come from distinct habitats yet adapt readily to cultivation in the organic garden. Echinacea purpurea is often considered to be the prettiest, and is also most adaptable to a wide range of soils and temperatures.  Echinacea angustifolia is the most northerly ranging, the smallest and really the toughest, as well.  Echinacea paradoxa is the largest, with …