Lewisburg, TN 37019 Frost Dates
Frost dates for Lewisburg, TN, ZIP 37019
Around 04/14 is the usual last spring frost, about 229 days away. The first fall frost typically arrives around 10/22, about 192 frost-free days later.
Zone 7b (5 to 10°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 Lewisburg, not a forecast for this year.
What to do before the first frost
Zone 7b around Lewisburg 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.
Why 04/14 isn't a guarantee
04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lewisburg compares
About 192 days separate Lewisburg's last and first frost, putting it 20,211 of 40,283 ZIP codes nationally. Within TN, it ranks 615 of 770.
Learn more
zone vs. frost date explains why Zone 7b and Lewisburg's frost date answer different questions, and the frost range explains how to read the range around Lewisburg's dates instead of trusting one.