Highland Park, NJ 08903 Frost Dates
When can you plant in Highland Park, NJ?
The last spring frost here typically falls around 04/11, about 226 days from today. The first fall frost typically arrives around 10/31, about 202 frost-free days later.
Highland Park 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 Highland Park before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/11 isn't a guarantee
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Highland Park compares
At roughly 202 frost-free days, Highland Park places 17,167 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 398 of 906.
Learn more
the frost range covers how to read the range around Highland Park's dates instead of trusting one. local microclimates covers what one yard in Highland Park can differ from the 08903 normal.