Ossining, NY 10562 Frost Dates
Ossining, NY: when does the frost end?
The last spring frost here typically falls around 04/12, about 227 days from today. Fall's first freeze usually shows up around 10/31, roughly 200 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ossining in Zone 7a (0 to 5°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
With roughly 9 weeks until Ossining's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Ossining against the rest of the dataset
Ossining's growing season runs about 200 days, ranking 17,724 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 318 of 1,951.
Learn more
Before leaning on 10562's figures: local microclimates explains what one yard in Ossining can differ from the 10562 normal, while zone vs. frost date explains why Zone 7a and Ossining's frost date answer different questions.