Midwest City, OK 73150 Frost Dates
73150, near Midwest City, OK: the frost window
Around 04/02 is the usual last spring frost, about 217 days away. Fall's first freeze usually shows up around 11/05, roughly 217 days after the last spring frost.
Zone 7b (5 to 10°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 Midwest City, not a forecast for this year.
Stretching the season past the first frost
Midwest City'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.
How much risk comes with planting early here
04/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Midwest City against the rest of the dataset
Midwest City's growing season runs about 217 days, ranking 13,399 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 247 of 764.
Learn more
Two guides worth reading on 73150: local microclimates, on what one yard in Midwest City can differ from the 73150 normal, and zone vs. frost date, on why Zone 7b and Midwest City's frost date answer different questions.