Calumet, OK 73014 Frost Dates
When can you plant in Calumet, OK?
Typically, the last spring freeze lands around 04/06, roughly 221 days out. The first fall frost typically arrives around 10/31, about 206 frost-free days later.
The USDA Plant Hardiness Zone Map puts Calumet 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
About 9 weeks of growing season left in Calumet before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Calumet's last frost
04/06 is the middle of 30 years of NOAA records, not a promise. Plant by 03/21 and you're betting against frost in roughly 9 years out of 10. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Calumet compares
At roughly 206 frost-free days, Calumet places 16,094 of 40,283 ZIP codes in this dataset. Within OK, it ranks 562 of 764.
Learn more
local microclimates covers what one yard in Calumet can differ from the 73014 normal. zone vs. frost date covers why Zone 7b and Calumet's frost date answer different questions.