Ellington, MO 63665 Frost Dates
Frost dates for Ellington, MO, ZIP 63665
The last spring frost here typically falls around 04/09, about 224 days from today. The first fall frost typically arrives around 10/26, about 199 frost-free days later.
Ellington 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
Zone 6b around Ellington has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Ellington's last frost
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/24 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ellington compares
Ellington's growing season runs about 199 days, ranking 18,171 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 441 of 1,129.
Learn more
local microclimates explains what one yard in Ellington can differ from the 63665 normal, and zone vs. frost date explains why Zone 6b and Ellington's frost date answer different questions.