Laclede, MO 64651 Frost Dates
When can you plant in Laclede, MO?
Around 04/16 is the usual last spring frost, about 231 days away. The first fall frost typically arrives around 10/20, about 187 frost-free days later.
Zone 6a (-10 to -5°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 Laclede, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Laclede before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Laclede's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Laclede compares
Laclede's growing season runs about 187 days, ranking 22,592 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 855 of 1,129.
Learn more
local microclimates covers what one yard in Laclede can differ from the 64651 normal. zone vs. frost date covers why Zone 6a and Laclede's frost date answer different questions.