Newfane, VT 05303 Frost Dates
05303, near Newfane, VT: the frost window
Around 05/08 is the usual last spring frost, about 253 days away. Fall's first freeze usually shows up around 10/03, roughly 149 days after the last spring frost.
Zone 6a (-10 to -5°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 Newfane, not a forecast for this year.
Stretching the season past the first frost
Newfane'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
05/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.
Newfane against the rest of the dataset
Newfane's growing season runs about 149 days, ranking 35,598 of 40,283 US ZIP codes measured here, longest to shortest. Within VT, it ranks 86 of 330.
Learn more
Two guides worth reading on 05303: local microclimates, on what one yard in Newfane can differ from the 05303 normal, and zone vs. frost date, on why Zone 6a and Newfane's frost date answer different questions.