Vermont planting zones & frost dates
The 2 Vermont cities on this site fall in zones 5a, 5b. Last spring frost dates range from May 3 in Burlington to May 3 in South Burlington.
| City | Zone | Last frost | First frost | Population |
|---|---|---|---|---|
| Burlington | 5b | May 3 | Oct 9 | 44,432 |
| South Burlington | 5a | May 3 | Oct 9 | 21,713 |
Frost dates are 30%-risk dates from the nearest suitable NOAA station. Population: Census Vintage 2024 estimates.