Collegedale, TN 37363 Frost Dates
Collegedale, TN: when does the frost end?
The last spring frost here typically falls around 03/24, about 208 days from today. Fall's first freeze usually shows up around 11/09, roughly 230 days after the last spring frost.
Collegedale sits in USDA Zone 8a (10 to 15°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
With roughly 10 weeks until Collegedale's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Collegedale's last frost
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.
Collegedale against the rest of the dataset
At roughly 230 frost-free days, Collegedale places 10,355 of 40,283 ZIP codes in this dataset. Within TN, it ranks 74 of 770.
Learn more
Before leaning on 37363's figures: the frost range explains how to read the range around Collegedale's dates instead of trusting one, while local microclimates explains what one yard in Collegedale can differ from the 37363 normal.