Glen Cove, NY 11542 Frost Dates
Frost dates for Glen Cove, NY, ZIP 11542
Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 11/12, about 224 frost-free days later.
The USDA Plant Hardiness Zone Map puts Glen Cove 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
Zone 7b around Glen Cove has about 11 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.
How much risk comes with planting early here
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Glen Cove compares
Glen Cove's growing season runs about 224 days, ranking 11,749 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 135 of 1,951.
Learn more
local microclimates explains what one yard in Glen Cove can differ from the 11542 normal, and zone vs. frost date explains why Zone 7b and Glen Cove's frost date answer different questions.