When to Plant Radicchio in Duncans Mills, California (95430)
Location
Duncans Mills, California
ZIP Code
95430
USDA Zone
9b
Last Frost
Wednesday, February 10, 2027
📅 Planting Calendar
Start Seeds Indoors Wednesday, January 13, 2027
Transplant Outdoors Wednesday, January 27, 2027
Pro Tip: Start Radicchio seeds indoors 4 weeks before your last frost date for best results.
🌿 Plant Details
Scientific Name Cichorium intybus
Days to Maturity 80 days
☀️ Growing Requirements
☀️
Sun
Full Sun
💧
Water
Regular
Seeds typically germinate in 7-14 days
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Growing Radicchio in Zone 9b
Radicchio (Cichorium intybus) is a popular garden vegetable. In Duncans Mills, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Wednesday, January 13, 2027.
Your average last frost date is Wednesday, February 10, 2027. Plan to transplant your Radicchio seedlings outdoors around Wednesday, January 27, 2027, about -2 weeks after your last frost date.