Vermont frost dates: M
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Manchester | May 13 | Sep 29 | 139 d | 5b |
| Manchester Center | May 13 | Sep 29 | 139 d | 5a |
| Marlboro | May 8 | Oct 3 | 148 d | 5b |
| Marshfield | May 25 | Sep 22 | 120 d | 4b |
| Mc Indoe Falls | May 13 | Oct 3 | 143 d | 4b |
| Middlebury | May 5 | Oct 3 | 151 d | 5a |
| Middletown Springs | May 15 | Sep 27 | 135 d | 5a |
| Milton | Apr 28 | Oct 20 | 175 d | 5a |
| Monkton | Apr 30 | Oct 17 | 170 d | 5a |
| Montgomery | May 14 | Oct 1 | 140 d | 4b |
| Montgomery Center | May 14 | Oct 1 | 140 d | 5a |
| Montpelier | May 5 | Oct 9 | 157 d | 4b |
| Moretown | May 11 | Oct 1 | 143 d | 5a |
| Morgan | May 19 | Sep 29 | 133 d | 4a |
| Morrisville | May 20 | Sep 28 | 131 d | 4b |
| Moscow | May 24 | Sep 27 | 126 d | 4b |
| Mount Holly | May 16 | Sep 29 | 136 d | 5b |