When to Plant Columbine in Harleton, Texas (75651)

Location

Harleton, Texas

ZIP Code

75651

USDA Zone

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, January 18, 2026

Transplant Outdoors Sunday, March 29, 2026

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

Get your seeds now so they're ready by Sunday, January 18, 2026.

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Growing Columbine in Zone 8b

Columbine (Aquilegia vulgaris) is a popular garden vegetable. In Harleton, Texas, which is in USDA Hardiness Zone 8b, you should start seeds indoors around Sunday, January 18, 2026.

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