Greenport, NY 11971 Frost Dates
When can you plant in Greenport, NY?
Around 04/19 is the usual last spring frost, about 234 days away. The first fall frost typically arrives around 11/01, about 196 frost-free days later.
The USDA Plant Hardiness Zone Map puts Greenport in Zone 7b (5 to 10°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 9 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.
The actual range around Greenport's last frost
04/19 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. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Greenport compares
At roughly 196 frost-free days, Greenport places 18,983 of 40,283 ZIP codes in this dataset. Within NY, it ranks 349 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.