Sunbright, TN 37732 Frost Dates
When can you plant in Sunbright, TN?
The last spring frost here typically falls around 04/21, about 236 days from today. The first fall frost typically arrives around 10/17, about 177 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sunbright in Zone 7a (0 to 5°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 7 weeks of growing season left in Sunbright 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
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sunbright compares
At roughly 177 frost-free days, Sunbright places 26,221 of 40,283 ZIP codes in this dataset. Within TN, it ranks 751 of 770.
Learn more
zone vs. frost date covers why Zone 7a and Sunbright's frost date answer different questions. the frost range covers how to read the range around Sunbright's dates instead of trusting one.