Jackson, TN 38303 Frost Dates
When can you plant in Jackson, TN?
Around 04/02 is the usual last spring frost, about 217 days away. The first fall frost typically arrives around 10/29, about 207 frost-free days later.
Jackson 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 Jackson 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
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/16 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 Jackson compares
Jackson's growing season runs about 207 days, ranking 15,787 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 403 of 770.
Learn more
the frost range covers how to read the range around Jackson's dates instead of trusting one. local microclimates covers what one yard in Jackson can differ from the 38303 normal.