When to Plant Catnip in Rapid City, South Dakota (57701)

Location

Rapid City, South Dakota

ZIP Code

57701

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, February 28, 2026

Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Catnip seeds indoors 8 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 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 Rapid City?

Get your seeds now so they're ready by Saturday, February 28, 2026.

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Growing Catnip in Zone 5b

Catnip (Nepeta cataria) is a popular garden vegetable. In Rapid City, South Dakota, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, February 28, 2026.

Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Catnip seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.