Marshfield, VT 05862 Frost Dates
Frost dates for Marshfield, VT, ZIP 05862
Typically, the last spring freeze lands around 05/13, roughly 258 days out. The first fall frost typically arrives around 10/03, about 143 frost-free days later.
Marshfield sits in USDA Zone 4b (-25 to -20°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
Zone 4b around Marshfield has about 5 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 Marshfield's last frost
05/13 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 05/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Marshfield compares
At roughly 143 frost-free days, Marshfield places 36,633 of 40,283 ZIP codes in this dataset. Within VT, it ranks 121 of 330.
Learn more
the frost range explains how to read the range around Marshfield's dates instead of trusting one, and local microclimates explains what one yard in Marshfield can differ from the 05862 normal.