When to Plant Catnip in Durham, Pennsylvania (18039)

Location

Durham, Pennsylvania

ZIP Code

18039

USDA Zone

Last Frost

Friday, April 10, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, February 13, 2026

Transplant Outdoors Friday, April 24, 2026

Pro Tip: Start Catnip seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, April 24, 2026.

🌿 Plant Details

Scientific Name Nepeta cataria

Days to Maturity 90 days

Mature Height 18-36"

Spread 18"

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Low (less than 1 inch/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.125" deep

Seeds typically germinate in 7-14 days

Ready to Plant Catnip in Durham?

Get your seeds now so they're ready by Friday, February 13, 2026.

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TomatoPepperSquashPumpkin

Other Plants for Durham

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Growing Catnip in Zone 7a

Catnip (Nepeta cataria) is a popular garden vegetable. In Durham, Pennsylvania, which is in USDA Hardiness Zone 7a, you should start seeds indoors around Friday, February 13, 2026.

Your average last frost date is Friday, April 10, 2026. Plan to transplant your Catnip seedlings outdoors around Friday, April 24, 2026, about 2 weeks after your last frost date.