Frost Dates & Planting Calendars in Vermont
Typical last spring frost, first fall frost, and growing-season length for 20 cities in Vermont, based on NOAA 1991–2020 climate normals. Click a city for its full frost-date summary, monthly temperature chart, and 42-crop planting calendar.
| City | Last Spring Frost (typical) | First Fall Frost (typical) | Growing Season | USDA Zone |
|---|---|---|---|---|
| Burlington | April 29 | October 15 | 169 days | 5b |
| South Burlington | April 29 | October 15 | 169 days | 5a |
| Colchester | May 2 | October 11 | 160 days | 5b |
| Rutland | May 15 | September 27 | 132 days | 5a |
| Essex Junction | May 2 | October 11 | 160 days | 5a |
| Hartford | May 9 | October 6 | 148 days | 5a |
| Bennington | May 11 | October 2 | 143 days | 5b |
| Barre | May 16 | September 29 | 136 days | 5a |
| Williston | April 29 | October 15 | 169 days | 5a |
| Montpelier | May 5 | October 9 | 157 days | 4b |
| St Johnsbury | May 13 | October 3 | 143 days | 4b |
| Brattleboro | May 14 | October 1 | 138 days | 5b |
| Winooski | April 29 | October 15 | 169 days | 5a |
| Saint Albans | May 1 | October 12 | 161 days | 5a |
| Middlebury (village) | May 5 | October 3 | 151 days | 5a |
| Saint Johnsbury | May 13 | October 3 | 143 days | 4b |
| Morristown | May 20 | September 28 | 129 days | 4b |
| Lyndon | May 13 | October 3 | 143 days | 4b |
| Rockingham | May 9 | October 2 | 146 days | 5b |
| Newport | May 14 | September 30 | 138 days | 4b |