Echinacea: Sowing, planting and harvest calendar
How do you sow echinacea outdoors?
Check the seed packet before sowing echinacea outdoors: germination requirements vary between species and seed batches. A cold, moist period can improve emergence, and autumn sowing allows suitable seeds to experience winter naturally. For spring sowing, follow any recommended cold treatment first and wait until the ground is workable. Some commercially selected seed germinates without this treatment.
Choose a sunny nursery bed with well-drained soil. Remove weeds and prepare a fine surface. Sow sparingly in marked rows, rather than placing every seed at its final adult spacing. Press seeds into the surface and use only the light covering recommended on the packet. Do not automatically bury all echinacea seed deeply, as light can help germination.
Keep the seedbed evenly moist without saturating it. Water gently so seeds stay in place. Emergence can be uneven, so retain the marked rows long enough for slower seedlings to appear. Remove weeds carefully, taking care not to disturb the young echinaceas. Mature drought tolerance does not mean that germinating seeds can be left to dry out.
Thin seedlings once they are strong enough and allow for the variety’s mature width. If moving them, keep roots protected and water after planting. Seed collected from a named cultivar may not reproduce its exact colour or form. Give young plants time to establish rather than expecting every seedling to flower heavily in its first season.
How do you plant echinacea?
When does echinacea flower?
