When to plant Watermelon in Massachusetts
In spring, from Apr 10 – May 15 in Boston to June 1 – 15 in North Adams.
In fall, from May 15 – June 1 in North Adams to July 15 – 30 in Winthrop Town.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Agawam Town | May 15 – June 15 | June 1 – 15 |
| Amesbury | May 15 – June 15 | June 1 – 15 |
| Amherst Town | May 15 – June 15 | June 1 – 15 |
| Attleboro | May 15 – June 15 | June 1 – 15 |
| Barnstable Town | May 1 – June 15 | July 1 – 15 |
| Beverly | May 15 – June 15 | June 1 – 15 |
| Boston | Apr 10 – May 15 | July 15 – 30 |
| Braintree Town | May 1 – June 15 | June 15 – July 20 |
| Bridgewater Town | May 15 – June 15 | June 1 – 15 |
| Brockton | May 1 – June 15 | June 15 – July 20 |
| Cambridge | May 1 – June 15 | June 15 – July 20 |
| Chelsea | Apr 10 – May 15 | July 15 – 30 |
| Chicopee | May 15 – June 15 | June 1 – 15 |
| Easthampton | May 15 – June 15 | June 1 – 15 |
| Everett | Apr 10 – May 15 | July 15 – 30 |
| Fall River | May 15 – June 15 | June 1 – 15 |
| Fitchburg | May 15 – June 15 | June 1 – 15 |
| Framingham | May 15 – June 15 | June 1 – 15 |
| Franklin Town | May 15 – June 15 | June 1 – 15 |
| Gardner | May 15 – June 15 | June 1 – 15 |
| Gloucester | May 15 – June 15 | June 1 – 15 |
| Greenfield | May 15 – June 15 | June 1 – 15 |
| Haverhill | May 15 – June 15 | June 1 – 15 |
| Holyoke | May 15 – June 15 | June 1 – 15 |
| Lawrence | Apr 20 – June 1 | July 1 – 15 |
| Leominster | May 15 – June 15 | June 1 – 15 |
| Lowell | May 15 – June 15 | June 1 – 15 |
| Lynn | May 1 – June 15 | June 15 – July 20 |
| Malden | Apr 10 – May 15 | July 15 – 30 |
| Marlborough | May 15 – June 15 | June 1 – 15 |
| Medford | Apr 10 – May 15 | July 15 – 30 |
| Melrose | May 1 – June 15 | June 15 – July 20 |
| Methuen | Apr 20 – June 1 | July 1 – 15 |
| New Bedford | May 15 – June 15 | June 1 – 15 |
| Newburyport | May 15 – June 15 | June 1 – 15 |
| Newton | May 1 – June 15 | June 15 – July 20 |
| North Adams | June 1 – 15 | May 15 – June 1 |
| North Attleborough Town | May 1 – June 15 | June 15 – July 20 |
| Northampton | May 15 – June 15 | June 1 – 15 |
| Palmer Town | May 15 – June 15 | June 1 – 15 |
| Peabody | May 1 – June 15 | June 15 – July 20 |
| Pittsfield | May 15 – June 15 | May 15 – June 1 |
| Quincy | May 1 – June 15 | June 15 – July 20 |
| Randolph Town | May 1 – June 15 | July 1 – 15 |
| Revere | Apr 10 – May 15 | July 15 – 30 |
| Salem | May 1 – June 15 | June 15 – July 20 |
| Somerville | Apr 10 – May 15 | July 15 – 30 |
| Southbridge Town | May 1 – June 15 | June 1 – 15 |
| Springfield | May 15 – June 15 | June 1 – 15 |
| Taunton | May 1 – June 15 | June 15 – July 20 |
| Waltham | May 15 – June 15 | June 1 – 15 |
| Watertown | May 1 – June 15 | June 15 – July 20 |
| West Springfield Town | May 15 – June 15 | June 1 – 15 |
| Westfield | May 15 – June 15 | June 1 – 15 |
| Weymouth Town | May 1 – June 15 | June 15 – July 20 |
| Winthrop Town | Apr 10 – May 15 | July 15 – 30 |
| Woburn | May 1 – June 15 | June 15 – July 20 |
| Worcester | May 1 – June 15 | June 15 – July 20 |
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.