FrostDateCheck

Fort Johnson, NY 12070 Frost Dates

When can you plant in Fort Johnson, NY?

Zone 5b

The last spring frost here typically falls around 05/11, about 256 days from today. The first fall frost typically arrives around 10/03, about 143 frost-free days later.

The USDA Plant Hardiness Zone Map puts Fort Johnson in Zone 5b (-15 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

About 5 weeks of growing season left in Fort Johnson before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Fort Johnson's last frost

05/11 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 05/25 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Fort Johnson compares

Fort Johnson's growing season runs about 143 days, ranking 36,608 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 1,753 of 1,951.

Learn more

the frost range covers how to read the range around Fort Johnson's dates instead of trusting one. local microclimates covers what one yard in Fort Johnson can differ from the 12070 normal.