When to Plant Fennel in Dufur, Oregon (97021)

Location

Dufur, Oregon

ZIP Code

97021

USDA Zone

Last Frost

Sunday, April 5, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, March 8, 2026

Transplant Outdoors Sunday, March 22, 2026

Pro Tip: Start Fennel seeds indoors 4 weeks before your last frost date, then transplant outdoors around Sunday, March 22, 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 Dufur?

Get your seeds now so they're ready by Sunday, March 8, 2026.

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🤝 Good Companions

Dill

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Growing Fennel in Zone 7b

Fennel (Foeniculum vulgare) is a popular garden vegetable. In Dufur, Oregon, which is in USDA Hardiness Zone 7b, you should start seeds indoors around Sunday, March 8, 2026.

Your average last frost date is Sunday, April 5, 2026. Plan to transplant your Fennel seedlings outdoors around Sunday, March 22, 2026, about -2 weeks after your last frost date.