Kirby, OH 43330 Frost Dates
Kirby, OH: when does the frost end?
Typically, the last spring freeze lands around 04/29, roughly 244 days out. Fall's first freeze usually shows up around 10/17, roughly 171 days after the last spring frost.
Kirby 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.
Stretching the season past the first frost
With roughly 7 weeks until Kirby's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Kirby's last frost
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Kirby against the rest of the dataset
Kirby's growing season runs about 171 days, ranking 28,850 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 1,149 of 1,383.
Learn more
Before leaning on 43330's figures: the frost range explains how to read the range around Kirby's dates instead of trusting one, while local microclimates explains what one yard in Kirby can differ from the 43330 normal.