Old Washington, OH 43755 Frost Dates
Old Washington, OH: when does the frost end?
The last spring frost here typically falls around 04/30, about 245 days from today. Fall's first freeze usually shows up around 10/14, roughly 167 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 Old Washington, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Old Washington's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Old Washington's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/20 and only about 1 year in 10 sees frost after that.
Old Washington against the rest of the dataset
At roughly 167 frost-free days, Old Washington places 30,202 of 40,283 ZIP codes in this dataset. Within OH, it ranks 1,353 of 1,383.
Learn more
Before leaning on 43755's figures: the frost range explains how to read the range around Old Washington's dates instead of trusting one, while local microclimates explains what one yard in Old Washington can differ from the 43755 normal.