When to Plant Fennel in Garden City, South Dakota (57236)

Location

Garden City, South Dakota

ZIP Code

57236

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, April 7, 2026

Transplant Outdoors Tuesday, April 21, 2026

Pro Tip: Start Fennel seeds indoors 4 weeks before your last frost date, then transplant outdoors around Tuesday, April 21, 2026.

🌿 Plant Details

Scientific Name Foeniculum vulgare

Days to Maturity 80 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

Ready to Plant Fennel in Garden City?

Get your seeds now so they're ready by Tuesday, April 7, 2026.

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🤝 Good Companions

Dill

Other Plants for Garden City

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Growing Fennel in Zone 4b

Fennel (Foeniculum vulgare) is a popular garden vegetable. In Garden City, South Dakota, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, April 7, 2026.

Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Fennel seedlings outdoors around Tuesday, April 21, 2026, about -2 weeks after your last frost date.