Canton, KS 67428 Frost Dates
Frost dates for Canton, KS, ZIP 67428
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/24, about 187 frost-free days later.
The USDA Plant Hardiness Zone Map puts Canton 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 Canton has about 8 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
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Canton compares
About 187 days separate Canton's last and first frost, putting it 22,526 of 40,283 ZIP codes nationally. Within KS, it ranks 376 of 745.
Learn more
local microclimates explains what one yard in Canton can differ from the 67428 normal, and zone vs. frost date explains why Zone 6b and Canton's frost date answer different questions.