Ridgetop, TN 37152 Frost Dates
When can you plant in Ridgetop, TN?
Typically, the last spring freeze lands around 04/07, roughly 222 days out. The first fall frost typically arrives around 10/28, about 204 frost-free days later.
Zone 7a (0 to 5°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 Ridgetop, not a forecast for this year.
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.
The actual range around Ridgetop's last frost
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 16,631 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 469 of 770.
Learn more
local microclimates covers what one yard in Ridgetop can differ from the 37152 normal. zone vs. frost date covers why Zone 7a and Ridgetop's frost date answer different questions.