Murfreesboro, TN 37129 Frost Dates
37129, near Murfreesboro, TN: the frost window
Typically, the last spring freeze lands around 04/09, roughly 224 days out. Fall's first freeze usually shows up around 10/27, roughly 202 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Murfreesboro 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
Murfreesboro'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
04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Murfreesboro against the rest of the dataset
About 202 days separate Murfreesboro's last and first frost, putting it 17,087 of 40,283 ZIP codes nationally. Within TN, it ranks 530 of 770.
Learn more
Two guides worth reading on 37129: the frost range, on how to read the range around Murfreesboro's dates instead of trusting one, and local microclimates, on what one yard in Murfreesboro can differ from the 37129 normal.