Stanhope, NJ 07874 Frost Dates
When can you plant in Stanhope, NJ?
Typically, the last spring freeze lands around 04/25, roughly 240 days out. The first fall frost typically arrives around 10/19, about 175 frost-free days later.
The USDA Plant Hardiness Zone Map puts Stanhope in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 7 weeks of growing season left in Stanhope 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
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Stanhope compares
Stanhope's growing season runs about 175 days, ranking 26,907 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 823 of 906.
Learn more
zone vs. frost date covers why Zone 6b and Stanhope's frost date answer different questions. the frost range covers how to read the range around Stanhope's dates instead of trusting one.