Bessie, OK 73622 Frost Dates
Bessie, OK: when does the frost end?
Around 04/13 is the usual last spring frost, about 228 days away. Fall's first freeze usually shows up around 10/28, roughly 197 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 Bessie, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Bessie's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Bessie's last frost
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Bessie against the rest of the dataset
At roughly 197 frost-free days, Bessie places 18,841 of 40,283 ZIP codes in this dataset. Within OK, it ranks 689 of 764.
Learn more
Before leaning on 73622's figures: the frost range explains how to read the range around Bessie's dates instead of trusting one, while local microclimates explains what one yard in Bessie can differ from the 73622 normal.