National Park, NJ 08063 Frost Dates
When can you plant in National Park, NJ?
The last spring frost here typically falls around 04/02, about 217 days from today. The first fall frost typically arrives around 11/10, about 224 frost-free days later.
National Park sits in USDA Zone 7b (5 to 10°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 11 weeks of growing season left in National Park 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
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/19 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How National Park compares
National Park's growing season runs about 224 days, ranking 11,873 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 226 of 906.
Learn more
local microclimates covers what one yard in National Park can differ from the 08063 normal. zone vs. frost date covers why Zone 7b and National Park's frost date answer different questions.