FrostDateCheck

Nowata, OK 74048 Frost Dates

74048, near Nowata, OK: the frost window

Zone 7a

Typically, the last spring freeze lands around 04/11, roughly 226 days out. Fall's first freeze usually shows up around 10/24, roughly 195 days after the last spring frost.

Zone 7a (0 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 Nowata, not a forecast for this year.

Stretching the season past the first frost

Nowata'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

04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.

Nowata against the rest of the dataset

Nowata's growing season runs about 195 days, ranking 19,275 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 709 of 764.

Learn more

Two guides worth reading on 74048: the frost range, on how to read the range around Nowata's dates instead of trusting one, and local microclimates, on what one yard in Nowata can differ from the 74048 normal.