Lone Grove, OK 73443 Frost Dates
73443, near Lone Grove, OK: the frost window
Around 04/06 is the usual last spring frost, about 221 days away. Fall's first freeze usually shows up around 11/01, roughly 204 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Lone Grove in Zone 8a (10 to 15°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
Lone Grove'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 03/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/25 and only about 1 year in 10 sees frost after that.
Lone Grove against the rest of the dataset
About 204 days separate Lone Grove's last and first frost, putting it 16,572 of 40,283 ZIP codes nationally. Within OK, it ranks 596 of 764.
Learn more
Two guides worth reading on 73443: zone vs. frost date, on why Zone 8a and Lone Grove's frost date answer different questions, and the frost range, on how to read the range around Lone Grove's dates instead of trusting one.