Marshfield, VT 05836 Frost Dates
Marshfield, VT: when does the frost end?
Typically, the last spring freeze lands around 05/09, roughly 254 days out. Fall's first freeze usually shows up around 10/01, roughly 143 days after the last spring frost.
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.
Stretching the season past the first frost
With roughly 5 weeks until Marshfield's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/25 and only about 1 year in 10 sees frost after that.
Marshfield against the rest of the dataset
About 143 days separate Marshfield's last and first frost, putting it 36,631 of 40,283 ZIP codes nationally. Within VT, it ranks 119 of 330.
Learn more
Before leaning on 05836's figures: the frost range explains how to read the range around Marshfield's dates instead of trusting one, while local microclimates explains what one yard in Marshfield can differ from the 05836 normal.