When to Plant Catnip in Grays Knob, Kentucky (40829)

Location

Grays Knob, Kentucky

ZIP Code

40829

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 Grays Knob?

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

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Growing Catnip in Zone 7a

Catnip (Nepeta cataria) is a popular garden vegetable. In Grays Knob, Kentucky, 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.