Glen Ridge, NJ 07110 Frost Dates
07110, near Glen Ridge, NJ: the frost window
Typically, the last spring freeze lands around 04/04, roughly 219 days out. Fall's first freeze usually shows up around 11/06, roughly 216 days after the last spring frost.
Zone 7b (5 to 10°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 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/04 isn't a guarantee
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
Glen Ridge against the rest of the dataset
Glen Ridge's growing season runs about 216 days, ranking 13,765 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 296 of 906.
Learn more
Two guides worth reading on 07110: local microclimates, on what one yard in Glen Ridge can differ from the 07110 normal, and zone vs. frost date, on why Zone 7b and Glen Ridge's frost date answer different questions.