FrostDateCheck

Mount Blanchard, OH 45867 Frost Dates

Frost dates for Mount Blanchard, OH, ZIP 45867

Zone 6a

The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/23, about 185 frost-free days later.

The USDA Plant Hardiness Zone Map puts Mount Blanchard 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

Zone 6a around Mount Blanchard has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

Why 04/19 isn't a guarantee

04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Mount Blanchard compares

At roughly 185 frost-free days, Mount Blanchard places 23,292 of 40,283 ZIP codes in this dataset. Within OH, it ranks 581 of 1,383.

Learn more

the frost range explains how to read the range around Mount Blanchard's dates instead of trusting one, and local microclimates explains what one yard in Mount Blanchard can differ from the 45867 normal.