The easiest echinacea to grow — germinates without stratification. Vigorous plants with large, purple-petaled flowers. The fibrous roots are easier to harvest than those of other species, as there is no taproot. Attracts and is a food source for bees. Also known as purple coneflower and eastern purple coneflower. Normally grown for 3–4 years for harvest of sizeable roots. Perennial in Zones 3–10. USDA Certified Organic. Ht. 24–36". Avg. 7,200 seeds/oz. Packet: 200 seeds.