Ellisville, MO 63040 Frost Dates
When can you plant in Ellisville, MO?
Around 04/12 is the usual last spring frost, about 227 days away. The first fall frost typically arrives around 10/23, about 193 frost-free days later.
Ellisville sits in USDA Zone 7a (0 to 5°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 8 weeks of growing season left in Ellisville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/12 isn't a guarantee
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/28 and you're betting against frost in roughly 9 years out of 10. 04/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ellisville compares
At roughly 193 frost-free days, Ellisville places 19,776 of 40,283 ZIP codes in this dataset. Within MO, it ranks 666 of 1,129.
Learn more
the frost range covers how to read the range around Ellisville's dates instead of trusting one. local microclimates covers what one yard in Ellisville can differ from the 63040 normal.