Vergennes, VT 05769 Frost Dates
When can you plant in Vergennes, VT?
Typically, the last spring freeze lands around 05/21, roughly 266 days out. The first fall frost typically arrives around 09/26, about 127 frost-free days later.
Vergennes sits in USDA Zone 5a (-20 to -15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 4 weeks of growing season left in Vergennes before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Vergennes's last frost
05/21 is the middle of 30 years of NOAA records, not a promise. Plant by 05/04 and you're betting against frost in roughly 9 years out of 10. 06/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Vergennes compares
Vergennes's growing season runs about 127 days, ranking 38,624 of 40,283 US ZIP codes measured here, longest to shortest. Within VT, it ranks 299 of 330.
Learn more
local microclimates covers what one yard in Vergennes can differ from the 05769 normal. zone vs. frost date covers why Zone 5a and Vergennes's frost date answer different questions.