Sparta, TN 38583 Frost Dates
Frost dates for Sparta, TN, ZIP 38583
The last spring frost here typically falls around 04/20, about 235 days from today. The first fall frost typically arrives around 10/20, about 185 frost-free days later.
Sparta sits in USDA Zone 7b (5 to 10°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 7b around Sparta 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 04/20 isn't a guarantee
04/20 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sparta compares
Sparta's growing season runs about 185 days, ranking 23,137 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 715 of 770.
Learn more
the frost range explains how to read the range around Sparta's dates instead of trusting one, and local microclimates explains what one yard in Sparta can differ from the 38583 normal.