Glen Ridge, NJ 07019 Frost Dates
07019, near Glen Ridge, NJ: the frost window
Around 04/18 is the usual last spring frost, about 233 days away. Fall's first freeze usually shows up around 10/24, roughly 187 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Glen Ridge 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
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.
How much risk comes with planting early here
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
About 187 days separate Glen Ridge's last and first frost, putting it 22,324 of 40,283 ZIP codes nationally. Within NJ, it ranks 695 of 906.
Learn more
Two guides worth reading on 07019: local microclimates, on what one yard in Glen Ridge can differ from the 07019 normal, and zone vs. frost date, on why Zone 7a and Glen Ridge's frost date answer different questions.