De Soto, MO 63020 Frost Dates
When can you plant in De Soto, MO?
Typically, the last spring freeze lands around 04/09, roughly 224 days out. The first fall frost typically arrives around 10/26, about 197 frost-free days later.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for De Soto, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in De Soto before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/09 isn't a guarantee
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/25 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How De Soto compares
About 197 days separate De Soto's last and first frost, putting it 18,659 of 40,283 ZIP codes nationally. Within MO, it ranks 536 of 1,129.
Learn more
the frost range covers how to read the range around De Soto's dates instead of trusting one. local microclimates covers what one yard in De Soto can differ from the 63020 normal.