Guttenberg, NJ 10081 Frost Dates
10081, near Guttenberg, NJ: the frost window
Around 03/30 is the usual last spring frost, about 214 days away. Fall's first freeze usually shows up around 11/20, roughly 236 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Guttenberg in Zone 7b (5 to 10°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
Guttenberg's growing season runs out in roughly 12 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Guttenberg's last frost
03/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/09 and only about 1 year in 10 sees frost after that.
Guttenberg against the rest of the dataset
At roughly 236 frost-free days, Guttenberg places 9,357 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 122 of 906.
Learn more
Two guides worth reading on 10081: local microclimates, on what one yard in Guttenberg can differ from the 10081 normal, and zone vs. frost date, on why Zone 7b and Guttenberg's frost date answer different questions.