New Hebron, MS 39140 Frost Dates
When can you plant in New Hebron, MS?
Around 03/10 is the usual last spring frost, about 194 days away. The first fall frost typically arrives around 11/16, about 252 frost-free days later.
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 New Hebron, not a forecast for this year.
What to do before the first frost
About 11 weeks of growing season left in New Hebron before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around New Hebron's last frost
03/10 is the middle of 30 years of NOAA records, not a promise. Plant by 02/17 and you're betting against frost in roughly 9 years out of 10. 04/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Hebron compares
New Hebron's growing season runs about 252 days, ranking 7,258 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 126 of 523.
Learn more
local microclimates covers what one yard in New Hebron can differ from the 39140 normal. zone vs. frost date covers why Zone 8b and New Hebron's frost date answer different questions.