When to plant Winter squash in Maine
In fall, June 1 – July 1.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Auburn | — | June 1 – July 1 |
| Augusta | — | June 1 – July 1 |
| Bangor | — | June 1 – 15 |
| Biddeford | — | June 1 – 15 |
| Lewiston | — | June 1 – July 1 |
| Portland | — | June 1 – July 1 |
| Saco | — | June 1 – July 1 |
| Sanford | — | June 1 – 15 |
| South Portland | — | June 1 – July 1 |
| Waterville | — | June 1 – July 1 |
| Westbrook | — | June 1 – July 1 |
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 winter squash.