Oktaha, OK 74450 Frost Dates
Frost dates for Oktaha, OK, ZIP 74450
Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 11/02, about 216 frost-free days later.
The USDA Plant Hardiness Zone Map puts Oktaha in Zone 7b (5 to 10°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
Zone 7b around Oktaha has about 9 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.
How much risk comes with planting early here
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/13 and you're betting against frost in roughly 9 years out of 10. 04/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Oktaha compares
At roughly 216 frost-free days, Oktaha places 13,896 of 40,283 ZIP codes in this dataset. Within OK, it ranks 343 of 764.
Learn more
zone vs. frost date explains why Zone 7b and Oktaha's frost date answer different questions, and the frost range explains how to read the range around Oktaha's dates instead of trusting one.