Sinking Spring, OH 45172 Frost Dates
45172, near Sinking Spring, OH: the frost window
Typically, the last spring freeze lands around 04/20, roughly 235 days out. Fall's first freeze usually shows up around 10/22, roughly 184 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Sinking Spring 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
Sinking Spring'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.
How much risk comes with planting early here
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 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.
Sinking Spring against the rest of the dataset
About 184 days separate Sinking Spring's last and first frost, putting it 23,681 of 40,283 ZIP codes nationally. Within OH, it ranks 677 of 1,383.
Learn more
Two guides worth reading on 45172: zone vs. frost date, on why Zone 6b and Sinking Spring's frost date answer different questions, and the frost range, on how to read the range around Sinking Spring's dates instead of trusting one.