Vermont frost dates: L
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Lake Elmore | May 20 | Sep 28 | 131 d | 4b |
| Londonderry | May 16 | Oct 2 | 139 d | 5a |
| Lowell | May 5 | Oct 8 | 156 d | 4b |
| Lower Waterford | May 13 | Oct 3 | 143 d | 4b |
| Ludlow | May 16 | Sep 29 | 136 d | 5b |
| Lunenburg | May 18 | Sep 30 | 135 d | 4b |
| Lyndon | May 13 | Oct 3 | 143 d | 4b |
| Lyndon Center | May 9 | Oct 1 | 145 d | 4b |
| Lyndonville | May 9 | Oct 1 | 145 d | 4b |