Cimarron, KS 67835 Frost Dates
When can you plant in Cimarron, KS?
Around 04/20 is the usual last spring frost, about 235 days away. The first fall frost typically arrives around 10/20, about 182 frost-free days later.
Zone 6b (-5 to 0°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 Cimarron, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Cimarron before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Cimarron's last frost
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cimarron compares
About 182 days separate Cimarron's last and first frost, putting it 24,186 of 40,283 ZIP codes nationally. Within KS, it ranks 470 of 745.
Learn more
local microclimates covers what one yard in Cimarron can differ from the 67835 normal. zone vs. frost date covers why Zone 6b and Cimarron's frost date answer different questions.