When to Plant Columbine in Whittier, California (90607)

Location

Whittier, California

ZIP Code

90607

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Planting Calendar

Start Seeds Indoors Thursday, November 20, 2025

Transplant Outdoors Thursday, January 29, 2026

Pro Tip: Start Columbine seeds indoors 8 weeks before your last frost date, then transplant outdoors around Thursday, January 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 Whittier?

Get your seeds now so they're ready by Thursday, November 20, 2025.

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🤝 Good Companions

FernHostasSpring Bulbs

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Growing Columbine in Zone 10b

Columbine (Aquilegia vulgaris) is a popular garden vegetable. In Whittier, California, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Thursday, November 20, 2025.

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