Stonewall, OK 74842 Frost Dates
Frost dates for Stonewall, OK, ZIP 74842
The last spring frost here typically falls around 03/29, about 213 days from today. The first fall frost typically arrives around 11/06, about 222 frost-free days later.
The USDA Plant Hardiness Zone Map puts Stonewall 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 Stonewall has about 10 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
03/29 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Stonewall compares
Stonewall's growing season runs about 222 days, ranking 12,335 of 40,283 US ZIP codes measured here, longest to shortest. Within OK, it ranks 117 of 764.
Learn more
zone vs. frost date explains why Zone 7b and Stonewall's frost date answer different questions, and the frost range explains how to read the range around Stonewall's dates instead of trusting one.