Echinacea crown rot, aster yellows, and pest damage explained: how to diagnose each problem, why they happen, and what to do. Includes a full symptom diagnostic table.
Echinacea purpurea — the purple coneflower — is one of North America’s most reliable native perennials: drought-tolerant, long-lived, and outstanding for pollinators and goldfinches. This complete echinacea growing guide covers variety selection for Zones 3–8, planting, watering, pruning, pest diagnosis, and how to use coneflowers to build a wildlife garden that delivers from July right through a February frost.