Waldo, OH 43356 Frost Dates
43356, near Waldo, OH: the frost window
Typically, the last spring freeze lands around 04/24, roughly 239 days out. Fall's first freeze usually shows up around 10/20, roughly 178 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Waldo 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
Waldo's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Waldo's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.
Waldo against the rest of the dataset
About 178 days separate Waldo's last and first frost, putting it 25,901 of 40,283 ZIP codes nationally. Within OH, it ranks 893 of 1,383.
Learn more
Two guides worth reading on 43356: local microclimates, on what one yard in Waldo can differ from the 43356 normal, and zone vs. frost date, on why Zone 6a and Waldo's frost date answer different questions.