Ardmore, TN 38449 Frost Dates
Frost dates for Ardmore, TN, ZIP 38449
The last spring frost here typically falls around 03/30, about 214 days from today. The first fall frost typically arrives around 11/04, about 223 frost-free days later.
The USDA Plant Hardiness Zone Map puts Ardmore in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 7b around Ardmore has about 10 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
03/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/09 and you're betting against frost in roughly 9 years out of 10. 04/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ardmore compares
About 223 days separate Ardmore's last and first frost, putting it 12,094 of 40,283 ZIP codes nationally. Within TN, it ranks 105 of 770.
Learn more
zone vs. frost date explains why Zone 7b and Ardmore's frost date answer different questions, and the frost range explains how to read the range around Ardmore's dates instead of trusting one.