Brewster, NY 10509 Frost Dates
When can you plant in Brewster, NY?
Around 04/28 is the usual last spring frost, about 243 days away. The first fall frost typically arrives around 10/16, about 170 frost-free days later.
The USDA Plant Hardiness Zone Map puts Brewster in Zone 6b (-5 to 0°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 7 weeks of growing season left in Brewster before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Brewster's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brewster compares
About 170 days separate Brewster's last and first frost, putting it 29,035 of 40,283 ZIP codes nationally. Within NY, it ranks 760 of 1,951.
Learn more
local microclimates covers what one yard in Brewster can differ from the 10509 normal. zone vs. frost date covers why Zone 6b and Brewster's frost date answer different questions.