Michie, TN 38357 Frost Dates
38357, near Michie, TN: the frost window
Around 03/31 is the usual last spring frost, about 215 days away. Fall's first freeze usually shows up around 11/01, roughly 212 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Michie in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Michie's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Michie against the rest of the dataset
Michie's growing season runs about 212 days, ranking 14,654 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 286 of 770.
Learn more
Two guides worth reading on 38357: zone vs. frost date, on why Zone 7b and Michie's frost date answer different questions, and the frost range, on how to read the range around Michie's dates instead of trusting one.