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When to Plant Catnip in Roan Mountain, Tennessee (37687)

Location

Roan Mountain, Tennessee

ZIP Code

37687

USDA Zone

6b

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, February 18, 2026
Transplant Outdoors Wednesday, April 29, 2026

Pro Tip: Start Catnip seeds indoors 8 weeks before your last frost date, then transplant outdoors around Wednesday, April 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 Roan Mountain?

Get your seeds now so they're ready by Wednesday, February 18, 2026.

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🤝 Good Companions

TomatoPepperSquashPumpkin

Other Plants for Roan Mountain

Growing Catnip in Zone 6b

Catnip (Nepeta cataria) is a popular garden vegetable. In Roan Mountain, Tennessee, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, February 18, 2026.

Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Catnip seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.