Malden, MO 63863 Frost Dates
Malden, MO: when does the frost end?
Around 03/29 is the usual last spring frost, about 213 days away. 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 Malden 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 Malden's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
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.
Malden against the rest of the dataset
About 221 days separate Malden's last and first frost, putting it 12,512 of 40,283 ZIP codes nationally. Within MO, it ranks 32 of 1,129.
Learn more
Before leaning on 63863's figures: the frost range explains how to read the range around Malden's dates instead of trusting one, while local microclimates explains what one yard in Malden can differ from the 63863 normal.