Caruthersville, MO 38047 Frost Dates
38047, near Caruthersville, MO: the frost window
Around 03/24 is the usual last spring frost, about 208 days away. Fall's first freeze usually shows up around 11/09, roughly 230 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Caruthersville in Zone 7b (5 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
Caruthersville's growing season runs out in roughly 10 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 Caruthersville's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/08 and only about 1 year in 10 sees frost after that.
Caruthersville against the rest of the dataset
About 230 days separate Caruthersville's last and first frost, putting it 10,399 of 40,283 ZIP codes nationally. Within MO, it ranks 1 of 1,129.
Learn more
Two guides worth reading on 38047: zone vs. frost date, on why Zone 7b and Caruthersville's frost date answer different questions, and the frost range, on how to read the range around Caruthersville's dates instead of trusting one.