Big Sandy, TN 38221 Frost Dates
When can you plant in Big Sandy, TN?
Around 04/07 is the usual last spring frost, about 222 days away. The first fall frost typically arrives around 10/31, about 206 frost-free days later.
The USDA Plant Hardiness Zone Map puts Big Sandy 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 9 weeks of growing season left in Big Sandy before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Big Sandy'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. 04/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Big Sandy compares
At roughly 206 frost-free days, Big Sandy places 16,097 of 40,283 ZIP codes in this dataset. Within TN, it ranks 433 of 770.
Learn more
zone vs. frost date covers why Zone 7b and Big Sandy's frost date answer different questions. the frost range covers how to read the range around Big Sandy's dates instead of trusting one.