West Burke, VT 05850 Frost Dates
05850, near West Burke, VT: the frost window
The last spring frost here typically falls around 05/13, about 258 days from today. Fall's first freeze usually shows up around 10/03, roughly 143 days after the last spring frost.
Zone 4b (-25 to -20°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 West Burke, not a forecast for this year.
Stretching the season past the first frost
West Burke's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/30 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.
West Burke against the rest of the dataset
At roughly 143 frost-free days, West Burke places 36,625 of 40,283 ZIP codes in this dataset. Within VT, it ranks 113 of 330.
Learn more
Two guides worth reading on 05850: zone vs. frost date, on why Zone 4b and West Burke's frost date answer different questions, and the frost range, on how to read the range around West Burke's dates instead of trusting one.