Belvidere, NJ 18043 Frost Dates
When can you plant in Belvidere, 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.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Belvidere, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Belvidere before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Belvidere's last frost
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 Belvidere compares
Belvidere's growing season runs about 188 days, ranking 22,058 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 688 of 906.
Learn more
local microclimates covers what one yard in Belvidere can differ from the 18043 normal. zone vs. frost date covers why Zone 7a and Belvidere's frost date answer different questions.