Kingsport, TN 37656 Frost Dates
When can you plant in Kingsport, TN?
The last spring frost here typically falls around 04/09, about 224 days from today. The first fall frost typically arrives around 10/29, about 203 frost-free days later.
Kingsport sits in USDA Zone 7a (0 to 5°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.
What to do before the first frost
About 9 weeks of growing season left in Kingsport before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/09 isn't a guarantee
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/25 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kingsport compares
About 203 days separate Kingsport's last and first frost, putting it 16,837 of 40,283 ZIP codes nationally. Within TN, it ranks 489 of 770.
Learn more
the frost range covers how to read the range around Kingsport's dates instead of trusting one. local microclimates covers what one yard in Kingsport can differ from the 37656 normal.