Croton-on-Hudson, NY 10520 Frost Dates
Frost dates for Croton-on-Hudson, NY, ZIP 10520
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/17, about 172 frost-free days later.
The USDA Plant Hardiness Zone Map puts Croton-on-Hudson in Zone 7a (0 to 5°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
Zone 7a around Croton-on-Hudson has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Croton-on-Hudson's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Croton-on-Hudson compares
Croton-on-Hudson's growing season runs about 172 days, ranking 28,245 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 706 of 1,951.
Learn more
local microclimates explains what one yard in Croton-on-Hudson can differ from the 10520 normal, and zone vs. frost date explains why Zone 7a and Croton-on-Hudson's frost date answer different questions.