FrostDateCheck

Buffalo, OK 73834 Frost Dates

When can you plant in Buffalo, OK?

Zone 7a

Typically, the last spring freeze lands around 04/13, roughly 228 days out. The first fall frost typically arrives around 10/27, about 198 frost-free days later.

The USDA Plant Hardiness Zone Map puts Buffalo in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

About 9 weeks of growing season left in Buffalo before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Buffalo's last frost

04/13 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 Buffalo compares

At roughly 198 frost-free days, Buffalo places 18,461 of 40,283 ZIP codes in this dataset. Within OK, it ranks 679 of 764.

Learn more

local microclimates covers what one yard in Buffalo can differ from the 73834 normal. zone vs. frost date covers why Zone 7a and Buffalo's frost date answer different questions.