Lamar Heights, MO 64766 Frost Dates
Lamar Heights, MO: when does the frost end?
Typically, the last spring freeze lands around 04/09, roughly 224 days out. Fall's first freeze usually shows up around 10/27, roughly 199 days after the last spring frost.
Lamar Heights sits in USDA Zone 7a (0 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
With roughly 9 weeks until Lamar Heights's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
Lamar Heights against the rest of the dataset
At roughly 199 frost-free days, Lamar Heights places 18,225 of 40,283 ZIP codes in this dataset. Within MO, it ranks 457 of 1,129.
Learn more
Before leaning on 64766's figures: zone vs. frost date explains why Zone 7a and Lamar Heights's frost date answer different questions, while the frost range explains how to read the range around Lamar Heights's dates instead of trusting one.