Glen Ridge, NJ 07042 Frost Dates
07042, near Glen Ridge, NJ: the frost window
The last spring frost here typically falls around 04/18, about 233 days from today. Fall's first freeze usually shows up around 10/24, roughly 187 days after the last spring frost.
Zone 7a (0 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 Glen Ridge, not a forecast for this year.
Stretching the season past the first frost
Glen Ridge's growing season runs out in roughly 8 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 Glen Ridge's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Glen Ridge against the rest of the dataset
At roughly 187 frost-free days, Glen Ridge places 22,326 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 697 of 906.
Learn more
Two guides worth reading on 07042: local microclimates, on what one yard in Glen Ridge can differ from the 07042 normal, and zone vs. frost date, on why Zone 7a and Glen Ridge's frost date answer different questions.