Greenville, MO 63950 Frost Dates
Frost dates for Greenville, MO, ZIP 63950
Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 11/02, about 215 frost-free days later.
Greenville 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 Greenville has about 9 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.
How much risk comes with planting early here
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/16 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Greenville compares
Greenville's growing season runs about 215 days, ranking 14,181 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 130 of 1,129.
Learn more
local microclimates explains what one yard in Greenville can differ from the 63950 normal, and zone vs. frost date explains why Zone 6b and Greenville's frost date answer different questions.