Branchville, NJ 07855 Frost Dates
07855, near Branchville, NJ: the frost window
Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/12, roughly 164 days after the last spring frost.
Zone 6b (-5 to 0°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 Branchville, not a forecast for this year.
Stretching the season past the first frost
Branchville's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 05/01 isn't a guarantee
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Branchville against the rest of the dataset
At roughly 164 frost-free days, Branchville places 31,076 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 905 of 906.
Learn more
Two guides worth reading on 07855: the frost range, on how to read the range around Branchville's dates instead of trusting one, and local microclimates, on what one yard in Branchville can differ from the 07855 normal.