When to Plant Columbine in Richmond, California (94804)

Location

Richmond, California

ZIP Code

94804

USDA Zone

10a

Last Frost

Sunday, January 25, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, November 30, 2025

Transplant Outdoors Sunday, February 8, 2026

Pro Tip: Start Columbine seeds indoors 8 weeks before your last frost date, then transplant outdoors around Sunday, February 8, 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 Richmond?

Get your seeds now so they're ready by Sunday, November 30, 2025.

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Growing Columbine in Zone 10a

Columbine (Aquilegia vulgaris) is a popular garden vegetable. In Richmond, California, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Sunday, November 30, 2025.

Your average last frost date is Sunday, January 25, 2026. Plan to transplant your Columbine seedlings outdoors around Sunday, February 8, 2026, about 2 weeks after your last frost date.