Elizabethton, TN 37643 Frost Dates
Frost dates for Elizabethton, TN, ZIP 37643
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/12, about 165 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 Elizabethton, not a forecast for this year.
What to do before the first frost
Zone 7a around Elizabethton has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Elizabethton compares
About 165 days separate Elizabethton's last and first frost, putting it 30,516 of 40,283 ZIP codes nationally. Within TN, it ranks 768 of 770.
Learn more
the frost range explains how to read the range around Elizabethton's dates instead of trusting one, and local microclimates explains what one yard in Elizabethton can differ from the 37643 normal.