Norwood, OH 45207 Frost Dates
45207, near Norwood, OH: the frost window
Typically, the last spring freeze lands around 04/16, roughly 231 days out. Fall's first freeze usually shows up around 10/25, roughly 190 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 Norwood, not a forecast for this year.
Stretching the season past the first frost
Norwood'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
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
Norwood against the rest of the dataset
Norwood's growing season runs about 190 days, ranking 21,056 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 310 of 1,383.
Learn more
Two guides worth reading on 45207: local microclimates, on what one yard in Norwood can differ from the 45207 normal, and zone vs. frost date, on why Zone 6b and Norwood's frost date answer different questions.