Henrietta, MO 64036 Frost Dates
Henrietta, MO: when does the frost end?
Typically, the last spring freeze lands around 04/19, roughly 234 days out. Fall's first freeze usually shows up around 10/18, roughly 180 days after the last spring frost.
Henrietta sits in USDA Zone 6a (-10 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 7 weeks until Henrietta'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
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 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.
Henrietta against the rest of the dataset
Henrietta's growing season runs about 180 days, ranking 25,048 of 40,283 US ZIP codes measured here, longest to shortest. Within MO, it ranks 1,023 of 1,129.
Learn more
Before leaning on 64036's figures: the frost range explains how to read the range around Henrietta's dates instead of trusting one, while local microclimates explains what one yard in Henrietta can differ from the 64036 normal.