How to Fertilize Bush's purple coneflower?
Light balanced feed in spring, avoid overfeeding

Bush's purple coneflower · Echinacea paradoxa
Also known as: yellow coneflower
Grow in humus-rich well-drained soil in full sun; poor drainage in winter will lead to losses. A dry mulch in winter is advisable in very cold areas. Leave plants to develop into substantial clumps as they resent disturbance
Light balanced feed in spring, avoid overfeeding