FrostDateCheck

Clifton, KS 66937 Frost Dates

When can you plant in Clifton, KS?

Zone 6b

The last spring frost here typically falls around 04/19, about 234 days from today. The first fall frost typically arrives around 10/19, about 181 frost-free days later.

The USDA Plant Hardiness Zone Map puts Clifton 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

About 7 weeks of growing season left in Clifton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Clifton's last frost

04/19 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. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Clifton compares

Clifton's growing season runs about 181 days, ranking 24,694 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 490 of 745.

Learn more

the frost range covers how to read the range around Clifton's dates instead of trusting one. local microclimates covers what one yard in Clifton can differ from the 66937 normal.