Lee's Summit, MO 64063 Frost Dates
Frost dates for Lee's Summit, MO, ZIP 64063
Around 04/13 is the usual last spring frost, about 228 days away. The first fall frost typically arrives around 10/26, about 194 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 Lee's Summit, not a forecast for this year.
What to do before the first frost
Zone 6b around Lee's Summit 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.
How much risk comes with planting early here
04/13 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lee's Summit compares
Lee's Summit's growing season runs about 194 days, ranking 19,413 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 628 of 1,129.
Learn more
the frost range explains how to read the range around Lee's Summit's dates instead of trusting one, and local microclimates explains what one yard in Lee's Summit can differ from the 64063 normal.