Portageville, MO 63873 Frost Dates
Portageville, MO: when does the frost end?
The last spring frost here typically falls around 03/25, about 209 days from today. Fall's first freeze usually shows up around 11/07, roughly 227 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Portageville in Zone 7b (5 to 10°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
With roughly 10 weeks until Portageville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Portageville's last frost
03/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/09 and only about 1 year in 10 sees frost after that.
Portageville against the rest of the dataset
At roughly 227 frost-free days, Portageville places 11,017 of 40,283 ZIP codes in this dataset. Within MO, it ranks 6 of 1,129.
Learn more
Before leaning on 63873's figures: local microclimates explains what one yard in Portageville can differ from the 63873 normal, while zone vs. frost date explains why Zone 7b and Portageville's frost date answer different questions.