FrostDateCheck

Mount Kisco, NY 10546 Frost Dates

When can you plant in Mount Kisco, NY?

Zone 7a

The last spring frost here typically falls around 04/30, about 245 days from today. The first fall frost typically arrives around 10/17, about 172 frost-free days later.

The USDA Plant Hardiness Zone Map puts Mount Kisco 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

About 7 weeks of growing season left in Mount Kisco before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

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 Mount Kisco compares

About 172 days separate Mount Kisco's last and first frost, putting it 28,232 of 40,283 ZIP codes nationally. Within NY, it ranks 705 of 1,951.

Learn more

the frost range covers how to read the range around Mount Kisco's dates instead of trusting one. local microclimates covers what one yard in Mount Kisco can differ from the 10546 normal.