Greenwood Lake, NY 10979 Frost Dates
10979, near Greenwood Lake, NY: the frost window
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/23, roughly 188 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Greenwood Lake in Zone 6b (-5 to 0°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
Greenwood Lake's growing season runs out in roughly 8 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
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
Greenwood Lake against the rest of the dataset
About 188 days separate Greenwood Lake's last and first frost, putting it 22,052 of 40,283 ZIP codes nationally. Within NY, it ranks 434 of 1,951.
Learn more
Two guides worth reading on 10979: the frost range, on how to read the range around Greenwood Lake's dates instead of trusting one, and local microclimates, on what one yard in Greenwood Lake can differ from the 10979 normal.