Glen Ridge, NJ 07199 Frost Dates
Frost dates for Glen Ridge, NJ, ZIP 07199
The last spring frost here typically falls around 04/18, about 233 days from today. The first fall frost typically arrives around 10/24, about 187 frost-free days later.
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.
What to do before the first frost
Zone 7b around Glen Ridge has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Glen Ridge's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Glen Ridge compares
Glen Ridge's growing season runs about 187 days, ranking 22,337 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 708 of 906.
Learn more
local microclimates explains what one yard in Glen Ridge can differ from the 07199 normal, and zone vs. frost date explains why Zone 7b and Glen Ridge's frost date answer different questions.