Lookout Mountain, TN 37350 Frost Dates
Lookout Mountain, TN: when does the frost end?
The last spring frost here typically falls around 03/31, about 215 days from today. Fall's first freeze usually shows up around 11/06, roughly 219 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 Lookout Mountain, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Lookout Mountain's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
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 03/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Lookout Mountain against the rest of the dataset
About 219 days separate Lookout Mountain's last and first frost, putting it 13,035 of 40,283 ZIP codes nationally. Within TN, it ranks 146 of 770.
Learn more
Before leaning on 37350's figures: zone vs. frost date explains why Zone 7b and Lookout Mountain's frost date answer different questions, while the frost range explains how to read the range around Lookout Mountain's dates instead of trusting one.