White Pine, TN 37890 Frost Dates
37890, near White Pine, TN: the frost window
The last spring frost here typically falls around 03/31, about 215 days from today. Fall's first freeze usually shows up around 11/04, roughly 217 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 White Pine, not a forecast for this year.
Stretching the season past the first frost
White Pine's growing season runs out in roughly 10 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 White Pine's last frost
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
White Pine against the rest of the dataset
White Pine's growing season runs about 217 days, ranking 13,508 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 186 of 770.
Learn more
Two guides worth reading on 37890: zone vs. frost date, on why Zone 7b and White Pine's frost date answer different questions, and the frost range, on how to read the range around White Pine's dates instead of trusting one.