When to Plant Radicchio in Oak Ridge, North Carolina (27310)

Location

Oak Ridge, North Carolina

ZIP Code

27310

USDA Zone

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, then transplant outdoors around Friday, March 6, 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 Oak Ridge?

Get your seeds now so they're ready by Friday, February 20, 2026.

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Growing Radicchio in Zone 8a

Radicchio (Cichorium intybus) is a popular garden vegetable. In Oak Ridge, North Carolina, 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.