When to Plant Fennel in Oakland, California (94621)
Location
Oakland, California
ZIP Code
94621
USDA Zone
10a
Last Frost
Monday, January 25, 2027
📅 Planting Calendar
Start Seeds Indoors Monday, December 28, 2026
Transplant Outdoors Monday, January 11, 2027
Pro Tip: Start Fennel seeds indoors 4 weeks before your last frost date for best results.
🌿 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
🤝 Good Companions
Dill
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Growing Fennel in Zone 10a
Fennel (Foeniculum vulgare) is a popular garden vegetable. In Oakland, California, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Monday, December 28, 2026.
Your average last frost date is Monday, January 25, 2027. Plan to transplant your Fennel seedlings outdoors around Monday, January 11, 2027, about -2 weeks after your last frost date.