1000 PURPLE CONEFLOWER Echinacea Purpurea Flower Seeds BLOOM TIME: Summer - Frost HARDINESS ZONE: 4 - 10 PLANT HEIGHT: 24 - 36" . . . PLANT SPACING: 18 - 24" LIGHT REQUIREMENTS: Sun - Part Shade . . . SOIL / WATER: Average - Dry The large, showy flowers of the Coneflower will attract bees, birds, and butterflies. In fall when the flowers go to seed I often see Finches, Sparrows, and other birds perched right on top enjoying their favorite seed snack. It is a delight to watch! Echinacea is also coveted for its herbal medicinal properties.