When to Plant Radicchio in New Portland, Maine (04954)

Location

New Portland, Maine

ZIP Code

04954

USDA Zone

Last Frost

Sunday, May 10, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, April 12, 2026

Transplant Outdoors Sunday, April 26, 2026

Pro Tip: Start Radicchio seeds indoors 4 weeks before your last frost date, then transplant outdoors around Sunday, April 26, 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 New Portland?

Get your seeds now so they're ready by Sunday, April 12, 2026.

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Growing Radicchio in Zone 5a

Radicchio (Cichorium intybus) is a popular garden vegetable. In New Portland, Maine, which is in USDA Hardiness Zone 5a, you should start seeds indoors around Sunday, April 12, 2026.

Your average last frost date is Sunday, May 10, 2026. Plan to transplant your Radicchio seedlings outdoors around Sunday, April 26, 2026, about -2 weeks after your last frost date.