Glen Rock, NJ 07452 Frost Dates
When can you plant in Glen Rock, NJ?
The last spring frost here typically falls around 04/15, about 230 days from today. The first fall frost typically arrives around 10/28, about 195 frost-free days later.
Glen Rock sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 9 weeks of growing season left in Glen Rock before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Glen Rock compares
At roughly 195 frost-free days, Glen Rock places 19,219 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 505 of 906.
Learn more
the frost range covers how to read the range around Glen Rock's dates instead of trusting one. local microclimates covers what one yard in Glen Rock can differ from the 07452 normal.