Grenada, MS 38940 Frost Dates
Frost dates for Grenada, MS, ZIP 38940
The last spring frost here typically falls around 03/28, about 212 days from today. The first fall frost typically arrives around 11/04, about 222 frost-free days later.
Zone 8a (10 to 15°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 Grenada, not a forecast for this year.
What to do before the first frost
Zone 8a around Grenada has about 10 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.
Why 03/28 isn't a guarantee
03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grenada compares
Grenada's growing season runs about 222 days, ranking 12,235 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 428 of 523.
Learn more
local microclimates explains what one yard in Grenada can differ from the 38940 normal, and zone vs. frost date explains why Zone 8a and Grenada's frost date answer different questions.