When to Plant Columbine in Nondalton, Alaska (99640)

Location

Nondalton, Alaska

ZIP Code

99640

USDA Zone

Last Frost

Friday, May 15, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, March 20, 2026

Transplant Outdoors Friday, May 29, 2026

Pro Tip: Start Columbine seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.

🌿 Plant Details

Scientific Name Aquilegia vulgaris

Days to Maturity 365 days

Mature Height 18-36"

Spread 18"

☀️ Growing Requirements

☀️

Sun

Partial Shade to Full Sun

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 21-30 days

Ready to Plant Columbine in Nondalton?

Get your seeds now so they're ready by Friday, March 20, 2026.

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Growing Columbine in Zone 4a

Columbine (Aquilegia vulgaris) is a popular garden vegetable. In Nondalton, Alaska, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, March 20, 2026.

Your average last frost date is Friday, May 15, 2026. Plan to transplant your Columbine seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.