Beauregard, MS 39191 Frost Dates
Beauregard, MS: when does the frost end?
Around 03/14 is the usual last spring frost, about 198 days away. Fall's first freeze usually shows up around 11/13, roughly 245 days after the last spring frost.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Beauregard, not a forecast for this year.
Stretching the season past the first frost
With roughly 11 weeks until Beauregard's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Beauregard's last frost
03/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/04 and only about 1 year in 10 sees frost after that.
Beauregard against the rest of the dataset
Beauregard's growing season runs about 245 days, ranking 8,069 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 197 of 523.
Learn more
Before leaning on 39191's figures: zone vs. frost date explains why Zone 8b and Beauregard's frost date answer different questions, while the frost range explains how to read the range around Beauregard's dates instead of trusting one.