Excelsior Springs, MO 64024 Frost Dates
64024, near Excelsior Springs, MO: the frost window
Typically, the last spring freeze lands around 04/19, roughly 234 days out. Fall's first freeze usually shows up around 10/17, roughly 181 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Excelsior Springs in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Excelsior Springs's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/05 and only about 1 year in 10 sees frost after that.
Excelsior Springs against the rest of the dataset
About 181 days separate Excelsior Springs's last and first frost, putting it 24,480 of 40,283 ZIP codes nationally. Within MO, it ranks 983 of 1,129.
Learn more
Two guides worth reading on 64024: zone vs. frost date, on why Zone 6a and Excelsior Springs's frost date answer different questions, and the frost range, on how to read the range around Excelsior Springs's dates instead of trusting one.