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When to plant watercress in Connecticut

Connecticut spans USDA zones 6a–7a, so the right time to plant watercress shifts by weeks across the state. The window to sow seed directly 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 watercress direct sow window (March 22–April 19) has passed for this year.
CityZoneLast frostFirst frostDirect sow
Bridgeport7aApril 5November 6March 22 – April 19
Stamford7aApril 17October 23April 3 – May 1
New Haven7aApril 17October 27April 3 – May 1
Hartford6bApril 17October 26April 3 – May 1
Waterbury6bApril 26October 16April 12 – May 10
Norwalk7aApril 17October 23April 3 – May 1
Danbury6bMay 1October 14April 17 – May 15
New Britain6bApril 17October 26April 3 – May 1

Watercress in Connecticut: FAQ

When can I plant watercress in Connecticut?

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

Does the watercress planting date vary across Connecticut?

Yes. Connecticut publishes 35 cities with their own frost dates, so the right watercress 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 watercress take to grow in Connecticut?

Watercress takes about 45–60 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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Watercress planting guide →All Connecticut cities →Connecticut planting calendar →
When to Plant Watercress in Connecticut — Frost-Based Dates by City — BlissGarden