When to Plant Echinacea (Coneflower) in Fort Yukon, Alaska (99740)

Location

Fort Yukon, Alaska

ZIP Code

99740

USDA Zone

Last Frost

Monday, May 25, 2026

📅 Planting Calendar

Start Seeds Indoors Monday, March 16, 2026

Transplant Outdoors Monday, June 8, 2026

Pro Tip: Start Echinacea (Coneflower) seeds indoors 10 weeks before your last frost date, then transplant outdoors around Monday, June 8, 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 Fort Yukon?

Get your seeds now so they're ready by Monday, March 16, 2026.

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Growing Echinacea (Coneflower) in Zone 3a

Echinacea (Coneflower) (Echinacea purpurea) is a popular garden vegetable. In Fort Yukon, Alaska, which is in USDA Hardiness Zone 3a, you should start seeds indoors around Monday, March 16, 2026.

Your average last frost date is Monday, May 25, 2026. Plan to transplant your Echinacea (Coneflower) seedlings outdoors around Monday, June 8, 2026, about 2 weeks after your last frost date.