Liberty, MO 64069 Frost Dates
Frost dates for Liberty, MO, ZIP 64069
Typically, the last spring freeze lands around 04/19, roughly 234 days out. The first fall frost typically arrives around 10/17, about 181 frost-free days later.
Zone 6a (-10 to -5°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 Liberty, not a forecast for this year.
What to do before the first frost
Zone 6a around Liberty has about 7 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 Liberty'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. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Liberty compares
Liberty's growing season runs about 181 days, ranking 24,448 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 980 of 1,129.
Learn more
zone vs. frost date explains why Zone 6a and Liberty's frost date answer different questions, and the frost range explains how to read the range around Liberty's dates instead of trusting one.