| Narrowleaf Echinacea |
| Echinacea angustifolia|
| Uses: Medicinal
|| Duration: Perennial (hardy in zones 3-9) |
| When to Sow: Spring/Late Summer/Early Fall
|| Ease of Germination: Moderate |
Medicinally more active than the previous species. Difficult to germinate, rarely exceeding 50%; requires 30-90 days at 5°C/40°F to germinate. Recent evidence suggests treatment with Ethrel quickens germination. D2281 Info sheet on ethrel: free on request with order.