Pulaski, TN 38478 Frost Dates
38478, near Pulaski, TN: the frost window
Typically, the last spring freeze lands around 04/14, roughly 229 days out. Fall's first freeze usually shows up around 10/24, roughly 193 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Pulaski 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
Pulaski'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.
Why 04/14 isn't a guarantee
04/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
Pulaski against the rest of the dataset
Pulaski's growing season runs about 193 days, ranking 19,823 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 589 of 770.
Learn more
Two guides worth reading on 38478: local microclimates, on what one yard in Pulaski can differ from the 38478 normal, and zone vs. frost date, on why Zone 7b and Pulaski's frost date answer different questions.