Ottoville, OH 45876 Frost Dates
Ottoville, OH: when does the frost end?
Around 04/22 is the usual last spring frost, about 237 days away. Fall's first freeze usually shows up around 10/22, roughly 181 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ottoville in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 8 weeks until Ottoville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.
Ottoville against the rest of the dataset
At roughly 181 frost-free days, Ottoville places 24,643 of 40,283 ZIP codes in this dataset. Within OH, it ranks 772 of 1,383.
Learn more
Before leaning on 45876's figures: the frost range explains how to read the range around Ottoville's dates instead of trusting one, while local microclimates explains what one yard in Ottoville can differ from the 45876 normal.