Whitefield, OK 74440 Frost Dates
When can you plant in Whitefield, OK?
Typically, the last spring freeze lands around 03/23, roughly 207 days out. The first fall frost typically arrives around 11/05, about 228 frost-free days later.
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 Whitefield, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Whitefield before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/23 is the middle of 30 years of NOAA records, not a promise. Plant by 03/02 and you're betting against frost in roughly 9 years out of 10. 04/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Whitefield compares
Whitefield's growing season runs about 228 days, ranking 10,910 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 59 of 764.
Learn more
local microclimates covers what one yard in Whitefield can differ from the 74440 normal. zone vs. frost date covers why Zone 7b and Whitefield's frost date answer different questions.