FrostDateCheck

Waynesboro, MS 39324 Frost Dates

When can you plant in Waynesboro, MS?

Zone 8b

The last spring frost here typically falls around 03/17, about 201 days from today. The first fall frost typically arrives around 11/09, about 237 frost-free days later.

Waynesboro sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 10 weeks of growing season left in Waynesboro before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

03/17 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 04/07 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Waynesboro compares

Waynesboro's growing season runs about 237 days, ranking 9,105 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 296 of 523.

Learn more

local microclimates covers what one yard in Waynesboro can differ from the 39324 normal. zone vs. frost date covers why Zone 8b and Waynesboro's frost date answer different questions.