Bergholz, OH 43908 Frost Dates
Frost dates for Bergholz, OH, ZIP 43908
Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/28, about 186 frost-free days later.
Zone 6b (-5 to 0°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 Bergholz, not a forecast for this year.
What to do before the first frost
Zone 6b around Bergholz has about 9 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 04/22 isn't a guarantee
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bergholz compares
Bergholz's growing season runs about 186 days, ranking 22,902 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 509 of 1,383.
Learn more
local microclimates explains what one yard in Bergholz can differ from the 43908 normal, and zone vs. frost date explains why Zone 6b and Bergholz's frost date answer different questions.