Bellport, NY 11980 Frost Dates
When can you plant in Bellport, NY?
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/28, about 193 frost-free days later.
Bellport 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 Bellport 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 04/04 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bellport compares
Bellport's growing season runs about 193 days, ranking 19,943 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 358 of 1,951.
Learn more
local microclimates covers what one yard in Bellport can differ from the 11980 normal. zone vs. frost date covers why Zone 7a and Bellport's frost date answer different questions.