Frost dates for South Burlington, Vermont
In a typical year, South Burlington’s last spring frost lands around Apr 29 and the first fall frost around Oct 15, a growing season of about 169 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 5a.
Right now the typical frost season has arrived; planting waits for spring.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Apr 17 | Oct 2 |
| 50 percent | Apr 29 | Oct 15 |
| 90 percent | May 11 | Nov 1 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in South Burlington is typically around 49°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in South Burlington
- Garlic (Music)
Timing comes from the same temperature engine the app uses, run against South Burlington’s normals for today.
Common questions
When is the last frost in South Burlington, Vermont?
South Burlington’s last spring frost falls around April 29 in a typical year. One year in ten it is done by April 17, and one year in ten frost holds on until May 11. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in South Burlington?
The first fall frost arrives around October 15 in a typical year, as early as October 2 in an early year and as late as November 1 in a late one.
How long is the growing season in South Burlington?
About 169 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is South Burlington in?
South Burlington is in USDA hardiness zone 5a under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- Burlington, VT (around Apr 29 to Oct 15)
- Essex Junction, VT (around May 2 to Oct 11)
- Plattsburgh, NY (around May 6 to Oct 5)
- Rutland, VT (around May 15 to Sep 27)
- Massena, NY (around May 8 to Oct 1)
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