When to Plant Echinacea (Coneflower) in Kotzebue, Alaska (99752)

Location

Kotzebue, Alaska

ZIP Code

99752

USDA Zone

Last Frost

Thursday, May 28, 2026

📅 Planting Calendar

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, then transplant outdoors around Thursday, June 11, 2026.

🌿 Plant Details

Scientific Name Echinacea purpurea

Days to Maturity 365 days

Mature Height 24-48"

Spread 24"

Type Perennial

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Low (drought tolerant once established)

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 14-21 days

Ready to Plant Echinacea (Coneflower) in Kotzebue?

Get your seeds now so they're ready by Thursday, March 19, 2026.

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Growing Echinacea (Coneflower) in Zone 2b

Echinacea (Coneflower) (Echinacea purpurea) is a popular garden vegetable. In Kotzebue, Alaska, which is in USDA Hardiness Zone 2b, you should start seeds indoors around Thursday, March 19, 2026.

Your average last frost date is Thursday, May 28, 2026. Plan to transplant your Echinacea (Coneflower) seedlings outdoors around Thursday, June 11, 2026, about 2 weeks after your last frost date.