FrostDateCheck

Cheviot, OH 45238 Frost Dates

45238, near Cheviot, OH: the frost window

Zone 6b

Around 04/16 is the usual last spring frost, about 231 days away. Fall's first freeze usually shows up around 10/28, roughly 193 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Cheviot in Zone 6b (-5 to 0°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

Cheviot's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

Why 04/16 isn't a guarantee

04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.

Cheviot against the rest of the dataset

Cheviot's growing season runs about 193 days, ranking 19,789 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 176 of 1,383.

Learn more

Two guides worth reading on 45238: local microclimates, on what one yard in Cheviot can differ from the 45238 normal, and zone vs. frost date, on why Zone 6b and Cheviot's frost date answer different questions.