When to plant Watermelon in Connecticut
In spring, from Apr 20 – June 1 in Bridgeport to June 1 – 15 in Torrington.
In fall, from May 15 – June 1 in Torrington to July 15 – 30 in Milford.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Ansonia | May 1 – June 15 | June 15 – July 20 |
| Bridgeport | Apr 20 – June 1 | July 15 – 30 |
| Bristol | May 1 – June 15 | June 15 – July 20 |
| Danbury | May 15 – June 15 | June 1 – 15 |
| Derby | May 1 – June 15 | June 15 – July 20 |
| Groton | May 1 – June 15 | July 1 – 15 |
| Hartford | May 1 – June 15 | July 1 – 15 |
| Meriden | May 15 – June 15 | June 15 – July 20 |
| Middletown | May 15 – June 15 | June 15 – July 20 |
| Milford | Apr 20 – June 1 | July 15 – 30 |
| Naugatuck | May 1 – June 15 | July 1 – 15 |
| New Britain | May 1 – June 15 | July 1 – 15 |
| New Haven | May 1 – June 15 | July 1 – 15 |
| New London | May 1 – June 15 | July 1 – 15 |
| Norwalk | May 1 – June 15 | June 15 – July 20 |
| Norwich | Apr 20 – June 1 | June 15 – July 20 |
| Shelton | May 1 – June 15 | June 15 – July 20 |
| Stamford | May 1 – June 15 | June 15 – July 20 |
| Torrington | June 1 – 15 | May 15 – June 1 |
| Waterbury | May 15 – June 15 | June 15 – July 20 |
| West Haven | May 1 – June 15 | July 1 – 15 |
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for watermelon.