Walker, MO 64790 Frost Dates
Frost dates for Walker, MO, ZIP 64790
The last spring frost here typically falls around 04/07, about 222 days from today. The first fall frost typically arrives around 10/27, about 202 frost-free days later.
The USDA Plant Hardiness Zone Map puts Walker in Zone 6b (-5 to 0°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 6b around Walker 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.
Why 04/07 isn't a guarantee
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/22 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Walker compares
About 202 days separate Walker's last and first frost, putting it 17,367 of 40,283 ZIP codes nationally. Within MO, it ranks 352 of 1,129.
Learn more
the frost range explains how to read the range around Walker's dates instead of trusting one, and local microclimates explains what one yard in Walker can differ from the 64790 normal.