When to Plant Radicchio in Allakaket, Alaska (99720)

Location

Allakaket, Alaska

ZIP Code

99720

USDA Zone

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, then transplant outdoors around Monday, June 1, 2026.

🌿 Plant Details

Scientific Name Cichorium intybus

Days to Maturity 80 days

Mature Height 6-12"

Spread 10"

Type Head

Fruit Size Small-Medium (fist-sized head)

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (keep moist)

↔️

Spacing

10" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

Ready to Plant Radicchio in Allakaket?

Get your seeds now so they're ready by Monday, May 18, 2026.

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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.