When to Plant Radicchio in Cedar Glen, California (92321)
Location
Cedar Glen, California
ZIP Code
92321
USDA Zone
8a
Last Frost
Friday, March 20, 2026
📅 Planting Calendar
Start Seeds Indoors Friday, February 20, 2026
Transplant Outdoors Friday, March 6, 2026
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 8a
Radicchio (Cichorium intybus) is a popular garden vegetable. In Cedar Glen, California, which is in USDA Hardiness Zone 8a, you should start seeds indoors around Friday, February 20, 2026.
Your average last frost date is Friday, March 20, 2026. Plan to transplant your Radicchio seedlings outdoors around Friday, March 6, 2026, about -2 weeks after your last frost date.