Vergennes, VT 05473 Frost Dates
Frost dates for Vergennes, VT, ZIP 05473
Around 04/29 is the usual last spring frost, about 244 days away. The first fall frost typically arrives around 10/15, about 169 frost-free days later.
Zone 5a (-20 to -15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Vergennes, not a forecast for this year.
What to do before the first frost
Zone 5a around Vergennes has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Vergennes's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Vergennes compares
About 169 days separate Vergennes's last and first frost, putting it 29,461 of 40,283 ZIP codes nationally. Within VT, it ranks 21 of 330.
Learn more
the frost range explains how to read the range around Vergennes's dates instead of trusting one, and local microclimates explains what one yard in Vergennes can differ from the 05473 normal.