FrostDateCheck

Wellston, MO 63112 Frost Dates

63112, near Wellston, MO: the frost window

Zone 7a

Around 04/01 is the usual last spring frost, about 216 days away. Fall's first freeze usually shows up around 11/04, roughly 218 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Wellston in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

Wellston's growing season runs out in roughly 10 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

04/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.

Wellston against the rest of the dataset

About 218 days separate Wellston's last and first frost, putting it 13,292 of 40,283 ZIP codes nationally. Within MO, it ranks 89 of 1,129.

Learn more

Two guides worth reading on 63112: the frost range, on how to read the range around Wellston's dates instead of trusting one, and local microclimates, on what one yard in Wellston can differ from the 63112 normal.