Argonia, KS 67004 Frost Dates
Frost dates for Argonia, KS, ZIP 67004
Around 04/12 is the usual last spring frost, about 227 days away. The first fall frost typically arrives around 10/29, about 201 frost-free days later.
Zone 7a (0 to 5°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 Argonia, not a forecast for this year.
What to do before the first frost
Zone 7a around Argonia 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.
How much risk comes with planting early here
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/28 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Argonia compares
At roughly 201 frost-free days, Argonia places 17,637 of 40,283 ZIP codes in this dataset. Within KS, it ranks 110 of 745.
Learn more
the frost range explains how to read the range around Argonia's dates instead of trusting one, and local microclimates explains what one yard in Argonia can differ from the 67004 normal.