Sinking Spring, OH 45646 Frost Dates
Sinking Spring, OH: when does the frost end?
Around 04/20 is the usual last spring frost, about 235 days away. Fall's first freeze usually shows up around 10/22, roughly 184 days after the last spring frost.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Sinking Spring, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Sinking Spring'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
04/20 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
At roughly 184 frost-free days, Sinking Spring places 23,682 of 40,283 ZIP codes in this dataset. Within OH, it ranks 678 of 1,383.
Learn more
Before leaning on 45646's figures: zone vs. frost date explains why Zone 6b and Sinking Spring's frost date answer different questions, while the frost range explains how to read the range around Sinking Spring's dates instead of trusting one.