Clarkton, MO 63837 Frost Dates
Clarkton, MO: when does the frost end?
Typically, the last spring freeze lands around 03/29, roughly 213 days out. Fall's first freeze usually shows up around 11/03, roughly 221 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Clarkton 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
With roughly 10 weeks until Clarkton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Clarkton's last frost
03/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/12 and only about 1 year in 10 sees frost after that.
Clarkton against the rest of the dataset
About 221 days separate Clarkton's last and first frost, putting it 12,547 of 40,283 ZIP codes nationally. Within MO, it ranks 35 of 1,129.
Learn more
Before leaning on 63837's figures: zone vs. frost date explains why Zone 7b and Clarkton's frost date answer different questions, while the frost range explains how to read the range around Clarkton's dates instead of trusting one.