When to Plant Fennel in Avon, Minnesota (56310)
Location
Avon, Minnesota
ZIP Code
56310
USDA Zone
4b
Last Frost
Tuesday, May 5, 2026
📅 Planting Calendar
Pro Tip: Start Fennel seeds indoors 4 weeks before your last frost date, then transplant outdoors around Tuesday, April 21, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
Ready to Plant Fennel in Avon?
Get your seeds now so they're ready by Tuesday, April 7, 2026.
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🤝 Good Companions
Other Plants for Avon
Growing Fennel in Zone 4b
Fennel (Foeniculum vulgare) is a popular garden vegetable. In Avon, Minnesota, 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.