Farmington, MO 63651 Frost Dates
When can you plant in Farmington, MO?
Around 04/21 is the usual last spring frost, about 236 days away. The first fall frost typically arrives around 10/16, about 174 frost-free days later.
Farmington sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 7 weeks of growing season left in Farmington before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Farmington's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Farmington compares
Farmington's growing season runs about 174 days, ranking 27,373 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 1,084 of 1,129.
Learn more
local microclimates covers what one yard in Farmington can differ from the 63651 normal. zone vs. frost date covers why Zone 6b and Farmington's frost date answer different questions.