Marshfield, VT 05640 Frost Dates
When can you plant in Marshfield, VT?
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/05, about 153 frost-free days later.
Marshfield 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 Marshfield before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Marshfield's last frost
05/04 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. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Marshfield compares
Marshfield's growing season runs about 153 days, ranking 34,631 of 40,283 US ZIP codes measured here, longest to shortest. Within VT, it ranks 52 of 330.
Learn more
local microclimates covers what one yard in Marshfield can differ from the 05640 normal. zone vs. frost date covers why Zone 5a and Marshfield's frost date answer different questions.