Marshfield, VT 05873 Frost Dates
When can you plant in Marshfield, VT?
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.
The USDA Plant Hardiness Zone Map puts Marshfield in Zone 4b (-25 to -20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 5 weeks of growing season left in Marshfield 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
05/13 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
About 143 days separate Marshfield's last and first frost, putting it 36,634 of 40,283 ZIP codes nationally. Within VT, it ranks 122 of 330.
Learn more
local microclimates covers what one yard in Marshfield can differ from the 05873 normal. zone vs. frost date covers why Zone 4b and Marshfield's frost date answer different questions.