Tahlequah, OK 74465 Frost Dates
Tahlequah, OK: when does the frost end?
Typically, the last spring freeze lands around 04/07, roughly 222 days out. Fall's first freeze usually shows up around 10/30, roughly 208 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Tahlequah 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
With roughly 9 weeks until Tahlequah's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Tahlequah's last frost
04/07 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 04/26 and only about 1 year in 10 sees frost after that.
Tahlequah against the rest of the dataset
Tahlequah's growing season runs about 208 days, ranking 15,538 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 514 of 764.
Learn more
Before leaning on 74465's figures: local microclimates explains what one yard in Tahlequah can differ from the 74465 normal, while zone vs. frost date explains why Zone 7b and Tahlequah's frost date answer different questions.