La Cygne, KS 66040 Frost Dates
Frost dates for La Cygne, KS, ZIP 66040
Around 04/13 is the usual last spring frost, about 228 days away. The first fall frost typically arrives around 10/23, about 192 frost-free days later.
The USDA Plant Hardiness Zone Map puts La Cygne 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 La Cygne 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.
The actual range around La Cygne's last frost
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 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 La Cygne compares
La Cygne's growing season runs about 192 days, ranking 20,468 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 256 of 745.
Learn more
the frost range explains how to read the range around La Cygne's dates instead of trusting one, and local microclimates explains what one yard in La Cygne can differ from the 66040 normal.