Martin, TN 38237 Frost Dates
When can you plant in Martin, TN?
The last spring frost here typically falls around 04/04, about 219 days from today. The first fall frost typically arrives around 10/28, about 204 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 Martin, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Martin before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/04 isn't a guarantee
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Martin compares
At roughly 204 frost-free days, Martin places 16,538 of 40,283 ZIP codes in this dataset. Within TN, it ranks 459 of 770.
Learn more
the frost range covers how to read the range around Martin's dates instead of trusting one. local microclimates covers what one yard in Martin can differ from the 38237 normal.