Doyle, TN 38559 Frost Dates
38559, near Doyle, TN: the frost window
Around 04/18 is the usual last spring frost, about 233 days away. Fall's first freeze usually shows up around 10/22, roughly 187 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Doyle 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
Doyle's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Doyle's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
Doyle against the rest of the dataset
At roughly 187 frost-free days, Doyle places 22,547 of 40,283 ZIP codes in this dataset. Within TN, it ranks 708 of 770.
Learn more
Two guides worth reading on 38559: the frost range, on how to read the range around Doyle's dates instead of trusting one, and local microclimates, on what one yard in Doyle can differ from the 38559 normal.