Ridgeside, TN 37402 Frost Dates
When can you plant in Ridgeside, TN?
Typically, the last spring freeze lands around 03/31, roughly 215 days out. The first fall frost typically arrives around 11/06, about 219 frost-free days later.
Zone 8a (10 to 15°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 Ridgeside, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Ridgeside 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
03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 03/15 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ridgeside compares
At roughly 219 frost-free days, Ridgeside places 13,093 of 40,283 ZIP codes in this dataset. Within TN, it ranks 158 of 770.
Learn more
the frost range covers how to read the range around Ridgeside's dates instead of trusting one. local microclimates covers what one yard in Ridgeside can differ from the 37402 normal.