Greenport, NY 11944 Frost Dates
When can you plant in Greenport, NY?
Typically, the last spring freeze lands around 04/06, roughly 221 days out. The first fall frost typically arrives around 11/17, about 221 frost-free days later.
Greenport 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 12 weeks of growing season left in Greenport 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
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/25 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Greenport compares
About 221 days separate Greenport's last and first frost, putting it 12,521 of 40,283 ZIP codes nationally. Within NY, it ranks 202 of 1,951.
Learn more
zone vs. frost date covers why Zone 7b and Greenport's frost date answer different questions. the frost range covers how to read the range around Greenport's dates instead of trusting one.