Cleveland, TN 37311 Frost Dates
37311, near Cleveland, TN: the frost window
Around 03/24 is the usual last spring frost, about 208 days away. Fall's first freeze usually shows up around 11/09, roughly 230 days after the last spring frost.
Zone 7b (5 to 10°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 Cleveland, not a forecast for this year.
Stretching the season past the first frost
Cleveland'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.
How much risk comes with planting early here
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/08 and only about 1 year in 10 sees frost after that.
Cleveland against the rest of the dataset
At roughly 230 frost-free days, Cleveland places 10,307 of 40,283 ZIP codes in this dataset. Within TN, it ranks 55 of 770.
Learn more
Two guides worth reading on 37311: zone vs. frost date, on why Zone 7b and Cleveland's frost date answer different questions, and the frost range, on how to read the range around Cleveland's dates instead of trusting one.