Parma Heights, OH 44130 Frost Dates
44130, near Parma Heights, 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 11/03, roughly 198 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Parma Heights 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
Parma Heights's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Parma Heights's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Parma Heights against the rest of the dataset
Parma Heights's growing season runs about 198 days, ranking 18,354 of 40,283 US ZIP codes measured here, longest to shortest. Within OH, it ranks 91 of 1,383.
Learn more
Two guides worth reading on 44130: zone vs. frost date, on why Zone 6b and Parma Heights's frost date answer different questions, and the frost range, on how to read the range around Parma Heights's dates instead of trusting one.