Williston, TN 38076 Frost Dates
Williston, TN: when does the frost end?
Around 03/29 is the usual last spring frost, about 213 days away. Fall's first freeze usually shows up around 11/03, roughly 219 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Williston in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 10 weeks until Williston's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
Williston against the rest of the dataset
Williston's growing season runs about 219 days, ranking 13,105 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 161 of 770.
Learn more
Before leaning on 38076's figures: local microclimates explains what one yard in Williston can differ from the 38076 normal, while zone vs. frost date explains why Zone 8a and Williston's frost date answer different questions.