Samburg, TN 38254 Frost Dates
38254, near Samburg, TN: the frost window
Typically, the last spring freeze lands around 04/03, roughly 218 days out. Fall's first freeze usually shows up around 11/01, roughly 211 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Samburg 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
Samburg'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 04/03 isn't a guarantee
04/03 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 04/19 and only about 1 year in 10 sees frost after that.
Samburg against the rest of the dataset
At roughly 211 frost-free days, Samburg places 14,890 of 40,283 ZIP codes in this dataset. Within TN, it ranks 316 of 770.
Learn more
Two guides worth reading on 38254: local microclimates, on what one yard in Samburg can differ from the 38254 normal, and zone vs. frost date, on why Zone 7b and Samburg's frost date answer different questions.