Solon, OH 44139 Frost Dates
44139, near Solon, OH: the frost window
Typically, the last spring freeze lands around 04/08, roughly 223 days out. Fall's first freeze usually shows up around 11/12, roughly 217 days after the last spring frost.
Zone 6a (-10 to -5°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 Solon, not a forecast for this year.
Stretching the season past the first frost
Solon's growing season runs out in roughly 11 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
04/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/20 and only about 1 year in 10 sees frost after that.
Solon against the rest of the dataset
At roughly 217 frost-free days, Solon places 13,420 of 40,283 ZIP codes in this dataset. Within OH, it ranks 11 of 1,383.
Learn more
Two guides worth reading on 44139: the frost range, on how to read the range around Solon's dates instead of trusting one, and local microclimates, on what one yard in Solon can differ from the 44139 normal.