Bartlesville, OK 74005 Frost Dates
Bartlesville, OK: when does the frost end?
Around 04/11 is the usual last spring frost, about 226 days away. Fall's first freeze usually shows up around 10/24, roughly 195 days after the last spring frost.
Bartlesville sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 8 weeks until Bartlesville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Bartlesville against the rest of the dataset
About 195 days separate Bartlesville's last and first frost, putting it 19,169 of 40,283 ZIP codes nationally. Within OK, it ranks 707 of 764.
Learn more
Before leaning on 74005's figures: the frost range explains how to read the range around Bartlesville's dates instead of trusting one, while local microclimates explains what one yard in Bartlesville can differ from the 74005 normal.