Jasper, TN 37340 Frost Dates
When can you plant in Jasper, TN?
The last spring frost here typically falls around 03/31, about 215 days from today. The first fall frost typically arrives around 11/06, about 219 frost-free days later.
The USDA Plant Hardiness Zone Map puts Jasper in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 10 weeks of growing season left in Jasper before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Jasper's last frost
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 Jasper compares
Jasper's growing season runs about 219 days, ranking 13,021 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 145 of 770.
Learn more
the frost range covers how to read the range around Jasper's dates instead of trusting one. local microclimates covers what one yard in Jasper can differ from the 37340 normal.