Phillipsburg, NJ 08865 Frost Dates
When can you plant in Phillipsburg, NJ?
The last spring frost here typically falls around 04/18, about 233 days from today. The first fall frost typically arrives around 10/25, about 188 frost-free days later.
Phillipsburg 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 8 weeks of growing season left in Phillipsburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/18 isn't a guarantee
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Phillipsburg compares
About 188 days separate Phillipsburg's last and first frost, putting it 21,886 of 40,283 ZIP codes nationally. Within NJ, it ranks 656 of 906.
Learn more
the frost range covers how to read the range around Phillipsburg's dates instead of trusting one. local microclimates covers what one yard in Phillipsburg can differ from the 08865 normal.