When to Plant Columbine in Washington Crossing, Pennsylvania (18977)

Location

Washington Crossing, Pennsylvania

ZIP Code

18977

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, February 8, 2026

Transplant Outdoors Sunday, April 19, 2026

Pro Tip: Start Columbine seeds indoors 8 weeks before your last frost date, then transplant outdoors around Sunday, April 19, 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 Washington Crossing?

Get your seeds now so they're ready by Sunday, February 8, 2026.

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🤝 Good Companions

FernHostasSpring Bulbs

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Growing Columbine in Zone 7b

Columbine (Aquilegia vulgaris) is a popular garden vegetable. In Washington Crossing, Pennsylvania, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, February 8, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Columbine seedlings outdoors around Sunday, April 19, 2026, about 2 weeks after your last frost date.