FrostDateCheck

Mitchellville, TN 37119 Frost Dates

37119, near Mitchellville, TN: the frost window

Zone 7b

Around 04/05 is the usual last spring frost, about 220 days away. Fall's first freeze usually shows up around 11/01, roughly 210 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Mitchellville 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

Mitchellville'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.

The actual range around Mitchellville's last frost

04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 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.

Mitchellville against the rest of the dataset

Mitchellville's growing season runs about 210 days, ranking 15,124 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 346 of 770.

Learn more

Two guides worth reading on 37119: local microclimates, on what one yard in Mitchellville can differ from the 37119 normal, and zone vs. frost date, on why Zone 7b and Mitchellville's frost date answer different questions.