Rattan, OK 74562 Frost Dates
When can you plant in Rattan, OK?
Around 04/02 is the usual last spring frost, about 217 days away. The first fall frost typically arrives around 11/01, about 212 frost-free days later.
The USDA Plant Hardiness Zone Map puts Rattan in Zone 8a (10 to 15°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 Rattan before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/02 isn't a guarantee
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/14 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 Rattan compares
At roughly 212 frost-free days, Rattan places 14,681 of 40,283 ZIP codes in this dataset. Within OK, it ranks 436 of 764.
Learn more
local microclimates covers what one yard in Rattan can differ from the 74562 normal. zone vs. frost date covers why Zone 8a and Rattan's frost date answer different questions.