Lancaster, MO 63548 Frost Dates
63548, near Lancaster, MO: the frost window
Around 04/16 is the usual last spring frost, about 231 days away. Fall's first freeze usually shows up around 10/22, roughly 188 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Lancaster in Zone 5b (-15 to -10°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
Lancaster's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Lancaster's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Lancaster against the rest of the dataset
At roughly 188 frost-free days, Lancaster places 22,139 of 40,283 ZIP codes in this dataset. Within MO, it ranks 809 of 1,129.
Learn more
Two guides worth reading on 63548: the frost range, on how to read the range around Lancaster's dates instead of trusting one, and local microclimates, on what one yard in Lancaster can differ from the 63548 normal.