When to Plant Fennel in Pico Rivera, California (90660)
Location
Pico Rivera, California
ZIP Code
90660
USDA Zone
10b
Last Frost
Friday, January 15, 2027
📅 Planting Calendar
Start Seeds Indoors Friday, December 18, 2026
Transplant Outdoors Friday, January 1, 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 10b
Fennel (Foeniculum vulgare) is a popular garden vegetable. In Pico Rivera, California, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Friday, December 18, 2026.
Your average last frost date is Friday, January 15, 2027. Plan to transplant your Fennel seedlings outdoors around Friday, January 1, 2027, about -2 weeks after your last frost date.