Bassfield, MS 39421 Frost Dates
Frost dates for Bassfield, MS, ZIP 39421
The last spring frost here typically falls around 03/17, about 201 days from today. The first fall frost typically arrives around 11/12, about 238 frost-free days later.
The USDA Plant Hardiness Zone Map puts Bassfield in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8b around Bassfield has about 11 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
03/17 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 04/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bassfield compares
About 238 days separate Bassfield's last and first frost, putting it 9,052 of 40,283 ZIP codes nationally. Within MS, it ranks 287 of 523.
Learn more
local microclimates explains what one yard in Bassfield can differ from the 39421 normal, and zone vs. frost date explains why Zone 8b and Bassfield's frost date answer different questions.