Far Hills, NJ 07921 Frost Dates
07921, near Far Hills, NJ: the frost window
Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 10/18, roughly 176 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Far Hills in Zone 7a (0 to 5°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
Far Hills'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.
How much risk comes with planting early here
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Far Hills against the rest of the dataset
At roughly 176 frost-free days, Far Hills places 26,548 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 803 of 906.
Learn more
Two guides worth reading on 07921: zone vs. frost date, on why Zone 7a and Far Hills's frost date answer different questions, and the frost range, on how to read the range around Far Hills's dates instead of trusting one.