Eastern purple coneflower.
Perennial growing to 1.2m by 0.5m . It is hardy to zone 3 and is not frost tender. It is in flower from July to August. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Insects. We rate it 2 out of 5 for usefulness. The plant prefers light (sandy) and medium (loamy) soils and requires well-drained soil. The plant prefers acid, neutral and basic (alkaline) soils. It cannot grow in the shade. It requires dry or moist soil and can tolerate drought.
Eng.: Sampson root, eastern purple coneflower, black sampson, comb-flower, echinacea, red sunflower. Suom.: Punahattu, auringonhattu. Sven.: Röd rudbeckia, röd solhatt. Bot. syn.: Brauneria purpurea (L.) Britt., Rudbeckia purpurea L.