Allardt, TN 38553 Frost Dates
Frost dates for Allardt, TN, ZIP 38553
Typically, the last spring freeze lands around 04/17, roughly 232 days out. The first fall frost typically arrives around 10/23, about 188 frost-free days later.
Allardt 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
Zone 7a around Allardt has about 8 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.
The actual range around Allardt's last frost
04/17 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Allardt compares
About 188 days separate Allardt's last and first frost, putting it 22,149 of 40,283 ZIP codes nationally. Within TN, it ranks 682 of 770.
Learn more
zone vs. frost date explains why Zone 7a and Allardt's frost date answer different questions, and the frost range explains how to read the range around Allardt's dates instead of trusting one.