Freeport, NY 11566 Frost Dates
11566, near Freeport, NY: the frost window
Typically, the last spring freeze lands around 04/03, roughly 218 days out. Fall's first freeze usually shows up around 11/11, roughly 221 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Freeport in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Freeport's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Freeport against the rest of the dataset
About 221 days separate Freeport's last and first frost, putting it 12,441 of 40,283 ZIP codes nationally. Within NY, it ranks 194 of 1,951.
Learn more
Two guides worth reading on 11566: local microclimates, on what one yard in Freeport can differ from the 11566 normal, and zone vs. frost date, on why Zone 7b and Freeport's frost date answer different questions.