FrostDateCheck

Alger, OH 45812 Frost Dates

When can you plant in Alger, OH?

Zone 6a

Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/22, about 181 frost-free days later.

Alger sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 8 weeks of growing season left in Alger before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Alger's last frost

04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Alger compares

At roughly 181 frost-free days, Alger places 24,651 of 40,283 ZIP codes in this dataset. Within OH, it ranks 773 of 1,383.

Learn more

the frost range covers how to read the range around Alger's dates instead of trusting one. local microclimates covers what one yard in Alger can differ from the 45812 normal.