Barnett, MO 65011 Frost Dates
65011, near Barnett, MO: the frost window
Around 04/07 is the usual last spring frost, about 222 days away. Fall's first freeze usually shows up around 11/01, roughly 208 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Barnett in Zone 6b (-5 to 0°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
Barnett's growing season runs out in roughly 9 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
04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Barnett against the rest of the dataset
Barnett's growing season runs about 208 days, ranking 15,768 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 189 of 1,129.
Learn more
Two guides worth reading on 65011: local microclimates, on what one yard in Barnett can differ from the 65011 normal, and zone vs. frost date, on why Zone 6b and Barnett's frost date answer different questions.