Boonville, IN 47629 Frost Dates
Boonville, IN: when does the frost end?
Around 04/12 is the usual last spring frost, about 227 days away. Fall's first freeze usually shows up around 10/25, roughly 196 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Boonville 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
With roughly 8 weeks until Boonville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Boonville's last frost
04/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/28 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.
Boonville against the rest of the dataset
At roughly 196 frost-free days, Boonville places 18,953 of 40,283 ZIP codes in this dataset. Within IN, it ranks 167 of 927.
Learn more
Before leaning on 47629's figures: local microclimates explains what one yard in Boonville can differ from the 47629 normal, while zone vs. frost date explains why Zone 7a and Boonville's frost date answer different questions.