Fanshawe, OK 74935 Frost Dates
74935, near Fanshawe, OK: the frost window
Typically, the last spring freeze lands around 04/06, roughly 221 days out. Fall's first freeze usually shows up around 11/02, roughly 210 days after the last spring frost.
Fanshawe sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Fanshawe'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.
Why 04/06 isn't a guarantee
04/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Fanshawe against the rest of the dataset
Fanshawe's growing season runs about 210 days, ranking 15,108 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 486 of 764.
Learn more
Two guides worth reading on 74935: zone vs. frost date, on why Zone 7b and Fanshawe's frost date answer different questions, and the frost range, on how to read the range around Fanshawe's dates instead of trusting one.