How to Grow Echinacea (Coneflower)

Updated June 2026

A warm-season flower for the home garden across the warmer US.

What it looks like as it grows

Echinacea (Coneflower) is a rewarding warm-season crop for backyard growers.

When to plant

Plant Echinacea (Coneflower) in spring once the soil has warmed and all frost has passed. In the warmest regions a second crop is possible in late summer. See your region on the echinacea (coneflower) page for exact timing.

Varieties

• Purple Coneflower, Tough native prairie perennial (Botanical Interests)

How to grow it

• Sun & soil: full sun, rich well-drained soil with even moisture.
• Spacing: about 16 in between plants.
• Sowing: barely cover the seed.
• Water: roughly 0.8 gal per plant every 3 days in hot weather.

Pests & problems

Watch for Aphids and Japanese beetle. In humid regions, Powdery mildew and Aster yellows can appear, so space for airflow and water at the roots in the morning.

Harvest

Echinacea (Coneflower) is usually ready to harvest in about 4 months. Pick regularly to keep plants productive.

When to plant in your region

Pick your region to see exactly when to plant echinacea (coneflower) where you garden.

See also: Echinacea (Coneflower) in the plant library →

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