Ridgetop, TN 37202 Frost Dates
When can you plant in Ridgetop, TN?
Around 04/07 is the usual last spring frost, about 222 days away. The first fall frost typically arrives around 10/28, about 204 frost-free days later.
Ridgetop 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
About 9 weeks of growing season left in Ridgetop before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/07 is the middle of 30 years of NOAA records, not a promise. Plant by 03/23 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ridgetop compares
Ridgetop's growing season runs about 204 days, ranking 16,632 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 470 of 770.
Learn more
zone vs. frost date covers why Zone 7b and Ridgetop's frost date answer different questions. the frost range covers how to read the range around Ridgetop's dates instead of trusting one.