When to Plant Radicchio in Allakaket, Alaska (99720)
Location
Allakaket, Alaska
ZIP Code
99720
USDA Zone
1a
Last Frost
Monday, June 15, 2026
📅 Planting Calendar
Start Seeds Indoors Monday, May 18, 2026
Transplant Outdoors Monday, June 1, 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 1a
Radicchio (Cichorium intybus) is a popular garden vegetable. In Allakaket, Alaska, which is in USDA Hardiness Zone 1a, you should start seeds indoors around Monday, May 18, 2026.
Your average last frost date is Monday, June 15, 2026. Plan to transplant your Radicchio seedlings outdoors around Monday, June 1, 2026, about -2 weeks after your last frost date.