Essex Junction, VT 05407 Frost Dates
05407, near Essex Junction, VT: the frost window
Around 04/29 is the usual last spring frost, about 244 days away. Fall's first freeze usually shows up around 10/15, roughly 169 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Essex Junction in Zone 5a (-20 to -15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Essex Junction's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Essex Junction against the rest of the dataset
At roughly 169 frost-free days, Essex Junction places 29,380 of 40,283 ZIP codes in this dataset. Within VT, it ranks 14 of 330.
Learn more
Two guides worth reading on 05407: the frost range, on how to read the range around Essex Junction's dates instead of trusting one, and local microclimates, on what one yard in Essex Junction can differ from the 05407 normal.