Sand Springs, OK 74157 Frost Dates
74157, near Sand Springs, OK: the frost window
Around 03/30 is the usual last spring frost, about 214 days away. Fall's first freeze usually shows up around 11/04, roughly 220 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Sand Springs 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
Sand Springs'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.
Why 03/30 isn't a guarantee
03/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Sand Springs against the rest of the dataset
About 220 days separate Sand Springs's last and first frost, putting it 12,740 of 40,283 ZIP codes nationally. Within OK, it ranks 182 of 764.
Learn more
Two guides worth reading on 74157: zone vs. frost date, on why Zone 7b and Sand Springs's frost date answer different questions, and the frost range, on how to read the range around Sand Springs's dates instead of trusting one.