Poplarville, MS 39470 Frost Dates
39470, near Poplarville, MS: the frost window
Around 03/10 is the usual last spring frost, about 194 days away. Fall's first freeze usually shows up around 11/21, roughly 257 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Poplarville in Zone 9a (20 to 25°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
Poplarville's growing season runs out in roughly 12 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
03/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/01 and only about 1 year in 10 sees frost after that.
Poplarville against the rest of the dataset
About 257 days separate Poplarville's last and first frost, putting it 6,701 of 40,283 ZIP codes nationally. Within MS, it ranks 85 of 523.
Learn more
Two guides worth reading on 39470: zone vs. frost date, on why Zone 9a and Poplarville's frost date answer different questions, and the frost range, on how to read the range around Poplarville's dates instead of trusting one.