High Hill, MO 63350 Frost Dates
63350, near High Hill, MO: the frost window
Around 04/14 is the usual last spring frost, about 229 days away. Fall's first freeze usually shows up around 10/23, roughly 191 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts High Hill 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
High Hill's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around High Hill's last frost
04/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/03 and only about 1 year in 10 sees frost after that.
High Hill against the rest of the dataset
High Hill's growing season runs about 191 days, ranking 20,930 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 763 of 1,129.
Learn more
Two guides worth reading on 63350: local microclimates, on what one yard in High Hill can differ from the 63350 normal, and zone vs. frost date, on why Zone 6b and High Hill's frost date answer different questions.