Canton, MS 39046 Frost Dates
39046, near Canton, MS: the frost window
Around 03/22 is the usual last spring frost, about 206 days away. Fall's first freeze usually shows up around 11/06, roughly 230 days after the last spring frost.
Canton 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.
Stretching the season past the first frost
Canton's growing season runs out in roughly 10 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Canton's last frost
03/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/09 and only about 1 year in 10 sees frost after that.
Canton against the rest of the dataset
Canton's growing season runs about 230 days, ranking 10,357 of 40,283 US ZIP codes measured here, longest to shortest. Within MS, it ranks 376 of 523.
Learn more
Two guides worth reading on 39046: the frost range, on how to read the range around Canton's dates instead of trusting one, and local microclimates, on what one yard in Canton can differ from the 39046 normal.