Purple Coneflower plant profile
Echinacea purpurea
A perennial flower for full sun.
Last updated .
When to plant
When to plant Purple Coneflower
Fall is the best time to plant coneflowers, per Clemson; spring planting also works. Started from seed, sow indoors at 65 to 70 F or outdoors in spring to summer, up to 2 months before frost. Divide established plants in spring or fall.
The calendar shows this cited seasonal window as an approximate band. It does not convert the season into frost-adjusted dates.
Open Purple Coneflower in my garden calendarShows the source-backed planting season, not frost-adjusted dates.
Growing conditions
- Sun
- Full sun
- Lifecycle
- Perennial
- Hardiness
- Zones 3 to 9Find my hardiness zone
Common problems
Watch for these
Also watch for: stem rot, japanese beetles, eriophyid mites, rabbit damage.
Evidence trail
Evidence behind this profile
Original extension and institutional publications behind the planting, care, and safety facts on this page.
- How to Grow Echinacea (Coneflower): Care, Cultivars & Common Problems (HGIC 1182)
Clemson Cooperative Extension, Home & Garden Information Center. Supports general reference. Checked 2026-06-11.