FrostDateCheck

Church Hill, TN 37642 Frost Dates

37642, near Church Hill, TN: the frost window

Zone 7a

Around 04/09 is the usual last spring frost, about 224 days away. Fall's first freeze usually shows up around 10/29, roughly 203 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Church Hill in Zone 7a (0 to 5°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

Church Hill'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 Church Hill's last frost

04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/25 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/25 and only about 1 year in 10 sees frost after that.

Church Hill against the rest of the dataset

At roughly 203 frost-free days, Church Hill places 16,878 of 40,283 ZIP codes in this dataset. Within TN, it ranks 498 of 770.

Learn more

Two guides worth reading on 37642: local microclimates, on what one yard in Church Hill can differ from the 37642 normal, and zone vs. frost date, on why Zone 7a and Church Hill's frost date answer different questions.