When to Plant Catnip in Atlanta, Georgia (30321)

Location

Atlanta, Georgia

ZIP Code

30321

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 Catnip seeds indoors 8 weeks before your last frost date, then transplant outdoors around Sunday, March 29, 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 Atlanta?

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

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Growing Catnip in Zone 8b

Catnip (Nepeta cataria) is a popular garden vegetable. In Atlanta, Georgia, 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 Catnip seedlings outdoors around Sunday, March 29, 2026, about 2 weeks after your last frost date.