Lucerne, MO 64655 Frost Dates
Frost dates for Lucerne, MO, ZIP 64655
Typically, the last spring freeze lands around 04/17, roughly 232 days out. The first fall frost typically arrives around 10/22, about 186 frost-free days later.
Zone 5b (-15 to -10°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 Lucerne, not a forecast for this year.
What to do before the first frost
Zone 5b around Lucerne 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.
Why 04/17 isn't a guarantee
04/17 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. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lucerne compares
Lucerne's growing season runs about 186 days, ranking 22,983 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 888 of 1,129.
Learn more
zone vs. frost date explains why Zone 5b and Lucerne's frost date answer different questions, and the frost range explains how to read the range around Lucerne's dates instead of trusting one.