Cushing, OK 74023 Frost Dates
74023, near Cushing, OK: the frost window
Typically, the last spring freeze lands around 04/05, roughly 220 days out. Fall's first freeze usually shows up around 10/30, roughly 206 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Cushing in Zone 7b (5 to 10°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
Cushing's growing season runs out in roughly 9 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 Cushing's last frost
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Cushing against the rest of the dataset
Cushing's growing season runs about 206 days, ranking 15,987 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 547 of 764.
Learn more
Two guides worth reading on 74023: zone vs. frost date, on why Zone 7b and Cushing's frost date answer different questions, and the frost range, on how to read the range around Cushing's dates instead of trusting one.