Sparks, OK 74869 Frost Dates
Frost dates for Sparks, OK, ZIP 74869
Around 04/02 is the usual last spring frost, about 217 days away. The first fall frost typically arrives around 11/02, about 214 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 Sparks, not a forecast for this year.
What to do before the first frost
Zone 7b around Sparks 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.
The actual range around Sparks's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sparks compares
At roughly 214 frost-free days, Sparks places 14,388 of 40,283 ZIP codes in this dataset. Within OK, it ranks 385 of 764.
Learn more
local microclimates explains what one yard in Sparks can differ from the 74869 normal, and zone vs. frost date explains why Zone 7b and Sparks's frost date answer different questions.