Grandview, MO 64134 Frost Dates
64134, near Grandview, MO: the frost window
Typically, the last spring freeze lands around 04/07, roughly 222 days out. Fall's first freeze usually shows up around 10/29, roughly 202 days after the last spring frost.
Grandview sits in USDA Zone 6b (-5 to 0°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
Grandview'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.
Why 04/07 isn't a guarantee
04/07 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Grandview against the rest of the dataset
At roughly 202 frost-free days, Grandview places 17,140 of 40,283 ZIP codes in this dataset. Within MO, it ranks 333 of 1,129.
Learn more
Two guides worth reading on 64134: zone vs. frost date, on why Zone 6b and Grandview's frost date answer different questions, and the frost range, on how to read the range around Grandview's dates instead of trusting one.