De Soto, MO 63626 Frost Dates
When can you plant in De Soto, MO?
Typically, the last spring freeze lands around 04/11, roughly 226 days out. The first fall frost typically arrives around 10/28, about 198 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 9 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.
The actual range around De Soto's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/26 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How De Soto compares
At roughly 198 frost-free days, De Soto places 18,423 of 40,283 ZIP codes in this dataset. Within MO, it ranks 478 of 1,129.
Learn more
local microclimates covers what one yard in De Soto can differ from the 63626 normal. zone vs. frost date covers why Zone 6b and De Soto's frost date answer different questions.