Parrottsville, TN 37727 Frost Dates
37727, near Parrottsville, TN: the frost window
Typically, the last spring freeze lands around 04/11, roughly 226 days out. Fall's first freeze usually shows up around 10/29, roughly 201 days after the last spring frost.
Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Parrottsville, not a forecast for this year.
Stretching the season past the first frost
Parrottsville's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/11 isn't a guarantee
04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Parrottsville against the rest of the dataset
At roughly 201 frost-free days, Parrottsville places 17,660 of 40,283 ZIP codes in this dataset. Within TN, it ranks 551 of 770.
Learn more
Two guides worth reading on 37727: zone vs. frost date, on why Zone 7b and Parrottsville's frost date answer different questions, and the frost range, on how to read the range around Parrottsville's dates instead of trusting one.