When to Plant Columbine in Houston, Texas (77251)

Location

Houston, Texas

ZIP Code

77251

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, December 16, 2025

Transplant Outdoors Tuesday, February 24, 2026

Pro Tip: Start Columbine seeds indoors 8 weeks before your last frost date, then transplant outdoors around Tuesday, February 24, 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 Houston?

Get your seeds now so they're ready by Tuesday, December 16, 2025.

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Growing Columbine in Zone 9b

Columbine (Aquilegia vulgaris) is a popular garden vegetable. In Houston, Texas, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, December 16, 2025.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Columbine seedlings outdoors around Tuesday, February 24, 2026, about 2 weeks after your last frost date.