FrostDateCheck

Bartlesville, OK 74006 Frost Dates

Frost dates for Bartlesville, OK, ZIP 74006

Zone 7a

The last spring frost here typically falls around 04/11, about 226 days from today. The first fall frost typically arrives around 10/24, about 195 frost-free days later.

Zone 7a (0 to 5°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 Bartlesville, not a forecast for this year.

What to do before the first frost

Zone 7a around Bartlesville has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Bartlesville's last frost

04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/27 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Bartlesville compares

About 195 days separate Bartlesville's last and first frost, putting it 19,170 of 40,283 ZIP codes nationally. Within OK, it ranks 708 of 764.

Learn more

the frost range explains how to read the range around Bartlesville's dates instead of trusting one, and local microclimates explains what one yard in Bartlesville can differ from the 74006 normal.