FrostDateCheck

Ewing, MO 63440 Frost Dates

63440, near Ewing, MO: the frost window

Zone 6a

The last spring frost here typically falls around 04/17, about 232 days from today. Fall's first freeze usually shows up around 10/19, roughly 184 days after the last spring frost.

Ewing sits in USDA Zone 6a (-10 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.

Stretching the season past the first frost

Ewing's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

How much risk comes with planting early here

04/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/04 and only about 1 year in 10 sees frost after that.

Ewing against the rest of the dataset

Ewing's growing season runs about 184 days, ranking 23,635 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 917 of 1,129.

Learn more

Two guides worth reading on 63440: local microclimates, on what one yard in Ewing can differ from the 63440 normal, and zone vs. frost date, on why Zone 6a and Ewing's frost date answer different questions.