Bluff City, TN 37621 Frost Dates
When can you plant in Bluff City, TN?
Around 04/16 is the usual last spring frost, about 231 days away. The first fall frost typically arrives around 10/24, about 190 frost-free days later.
Zone 7a (0 to 5°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 Bluff City, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Bluff City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Bluff City's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bluff City compares
At roughly 190 frost-free days, Bluff City places 21,199 of 40,283 ZIP codes in this dataset. Within TN, it ranks 661 of 770.
Learn more
the frost range covers how to read the range around Bluff City's dates instead of trusting one. local microclimates covers what one yard in Bluff City can differ from the 37621 normal.