Spring Hill, TN 37174 Frost Dates
Spring Hill, TN: when does the frost end?
The last spring frost here typically falls around 04/03, about 218 days from today. Fall's first freeze usually shows up around 11/01, roughly 211 days after the last spring frost.
Spring Hill sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 9 weeks until Spring Hill's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Spring Hill's last frost
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 04/22 and only about 1 year in 10 sees frost after that.
Spring Hill against the rest of the dataset
Spring Hill's growing season runs about 211 days, ranking 14,716 of 40,283 US ZIP codes measured here, longest to shortest. Within TN, it ranks 293 of 770.
Learn more
Before leaning on 37174's figures: local microclimates explains what one yard in Spring Hill can differ from the 37174 normal, while zone vs. frost date explains why Zone 7b and Spring Hill's frost date answer different questions.