Parsons, TN 38363 Frost Dates
Parsons, TN: when does the frost end?
Typically, the last spring freeze lands around 04/05, roughly 220 days out. Fall's first freeze usually shows up around 10/29, roughly 208 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Parsons in Zone 7b (5 to 10°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 9 weeks until Parsons's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Parsons's last frost
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/20 and only about 1 year in 10 sees frost after that.
Parsons against the rest of the dataset
At roughly 208 frost-free days, Parsons places 15,649 of 40,283 ZIP codes in this dataset. Within TN, it ranks 375 of 770.
Learn more
Before leaning on 38363's figures: the frost range explains how to read the range around Parsons's dates instead of trusting one, while local microclimates explains what one yard in Parsons can differ from the 38363 normal.