When to plant watermelon in Connecticut
Connecticut spans USDA zones 6a–7a, so the right time to plant watermelon shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 12 in Bridgeport to May 15 in Torrington — below are local dates for 35 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Bridgeport | 7a | April 5 | November 6 | April 12 – April 19 |
| Stamford | 7a | April 17 | October 23 | April 24 – May 1 |
| New Haven | 7a | April 17 | October 27 | April 24 – May 1 |
| Hartford | 6b | April 17 | October 26 | April 24 – May 1 |
| Waterbury | 6b | April 26 | October 16 | May 3 – May 10 |
| Norwalk | 7a | April 17 | October 23 | April 24 – May 1 |
| Danbury | 6b | May 1 | October 14 | May 8 – May 15 |
| New Britain | 6b | April 17 | October 26 | April 24 – May 1 |
Watermelon in Connecticut: FAQ
When can I plant watermelon in Connecticut?
Across Connecticut, the time to transplant watermelon spans roughly April 12 in Bridgeport to May 15 in Torrington, each following that city's local frost dates.
Does the watermelon planting date vary across Connecticut?
Yes. Connecticut publishes 35 cities with their own frost dates, so the right watermelon 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 watermelon take to grow in Connecticut?
Watermelon takes about 75–95 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
Never miss a window in your area
An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.