FrostDateCheck

Alexandria, OH 43027 Frost Dates

When can you plant in Alexandria, OH?

Zone 6a

Around 04/22 is the usual last spring frost, about 237 days away. The first fall frost typically arrives around 10/18, about 178 frost-free days later.

The USDA Plant Hardiness Zone Map puts Alexandria in Zone 6a (-10 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 Alexandria before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Alexandria's last frost

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 Alexandria compares

At roughly 178 frost-free days, Alexandria places 25,877 of 40,283 ZIP codes in this dataset. Within OH, it ranks 884 of 1,383.

Learn more

local microclimates covers what one yard in Alexandria can differ from the 43027 normal. zone vs. frost date covers why Zone 6a and Alexandria's frost date answer different questions.