Elizabethton, TN 37658 Frost Dates
Frost dates for Elizabethton, TN, ZIP 37658
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
Elizabethton's growing season runs about 165 days, ranking 30,517 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 769 of 770.
Learn more
local microclimates explains what one yard in Elizabethton can differ from the 37658 normal, and zone vs. frost date explains why Zone 7a and Elizabethton's frost date answer different questions.