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When to Plant Echinacea (Coneflower) in Zone 2B

USDA Zone

2B

Cities Covered

17

Avg Last Frost

Thursday, May 28, 2026

Plant Type

Indoor Start

📅 Planting Calendar for Zone 2B

Start Seeds Indoors Thursday, March 19, 2026
Transplant Outdoors Thursday, June 11, 2026

Pro Tip: Start Echinacea (Coneflower) seeds indoors 10 weeks before your last frost date for best results.

🌿 Plant Details

Scientific Name Echinacea purpurea
Days to Maturity 365 days
Sun Requirements Full Sun to Partial Shade
Plant Spacing 18" apart

Cities in Zone 2B

Other Plants for Zone 2B

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Growing Echinacea (Coneflower) in USDA Zone 2B

Echinacea (Coneflower) (Echinacea purpurea) grows well in USDA Hardiness Zone 2B. This zone includes cities like Gakona, Glennallen, Mc Grath and 14 more.

The average last frost date for Zone 2B is around Thursday, May 28, 2026. For best results, start your Echinacea (Coneflower) seeds indoors around Thursday, March 19, 2026, then transplant outdoors around Thursday, June 11, 2026.

Expect to harvest your Echinacea (Coneflower) approximately 365 days after planting.