Vergennes, VT 12974 Frost Dates
When can you plant in Vergennes, VT?
Around 05/05 is the usual last spring frost, about 250 days away. The first fall frost typically arrives around 10/03, about 151 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 5 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.
How much risk comes with planting early here
05/05 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 and you're betting against frost in roughly 9 years out of 10. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Vergennes compares
About 151 days separate Vergennes's last and first frost, putting it 35,040 of 40,283 ZIP codes nationally. Within VT, it ranks 70 of 330.
Learn more
local microclimates covers what one yard in Vergennes can differ from the 12974 normal. zone vs. frost date covers why Zone 5a and Vergennes's frost date answer different questions.