Lyons, KS 67554 Frost Dates
When can you plant in Lyons, KS?
Around 04/15 is the usual last spring frost, about 230 days away. The first fall frost typically arrives around 10/23, about 190 frost-free days later.
The USDA Plant Hardiness Zone Map puts Lyons 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 8 weeks of growing season left in Lyons before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lyons compares
Lyons's growing season runs about 190 days, ranking 21,165 of 40,283 US ZIP codes measured here, longest to shortest. Within KS, it ranks 285 of 745.
Learn more
local microclimates covers what one yard in Lyons can differ from the 67554 normal. zone vs. frost date covers why Zone 6b and Lyons's frost date answer different questions.