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When to plant radicchio in Connecticut

Connecticut spans USDA zones 6a–7a, so the right time to plant radicchio shifts by weeks across the state. The window to transplant seedlings outdoors runs from about March 22 in Bridgeport to April 24 in Torrington — below are local dates for 35 cities, each computed from its own frost dates.

In Bridgeportthe radicchio transplant out window (March 22–April 5) has passed for this year.
CityZoneLast frostFirst frostTransplant out
Bridgeport7aApril 5November 6March 22 – April 5
Stamford7aApril 17October 23April 3 – April 17
New Haven7aApril 17October 27April 3 – April 17
Hartford6bApril 17October 26April 3 – April 17
Waterbury6bApril 26October 16April 12 – April 26
Norwalk7aApril 17October 23April 3 – April 17
Danbury6bMay 1October 14April 17 – May 1
New Britain6bApril 17October 26April 3 – April 17

Radicchio in Connecticut: FAQ

When can I plant radicchio in Connecticut?

Across Connecticut, the time to transplant radicchio spans roughly March 22 in Bridgeport to April 24 in Torrington, each following that city's local frost dates.

Does the radicchio planting date vary across Connecticut?

Yes. Connecticut publishes 35 cities with their own frost dates, so the right radicchio planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.

How long does radicchio take to grow in Connecticut?

Radicchio takes about 60–90 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.

Planting reminders

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Radicchio planting guide →All Connecticut cities →Connecticut planting calendar →
When to Plant Radicchio in Connecticut — Frost-Based Dates by City — BlissGarden