FrostDateCheck

Gratiot, OH 43721 Frost Dates

When can you plant in Gratiot, OH?

Zone 6a

The last spring frost here typically falls around 04/22, about 237 days from today. The first fall frost typically arrives around 10/18, about 178 frost-free days later.

Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Gratiot, not a forecast for this year.

What to do before the first frost

About 7 weeks of growing season left in Gratiot 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

04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Gratiot compares

About 178 days separate Gratiot's last and first frost, putting it 25,923 of 40,283 ZIP codes nationally. Within OH, it ranks 897 of 1,383.

Learn more

local microclimates covers what one yard in Gratiot can differ from the 43721 normal. zone vs. frost date covers why Zone 6a and Gratiot's frost date answer different questions.