Evansville, IN 47730 Frost Dates
47730, near Evansville, IN: the frost window
The last spring frost here typically falls around 04/04, about 219 days from today. Fall's first freeze usually shows up around 10/29, roughly 206 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Evansville 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
Evansville'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 Evansville's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/22 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.
Evansville against the rest of the dataset
Evansville's growing season runs about 206 days, ranking 15,916 of 40,283 US ZIP codes measured here, longest to shortest. Within IN, it ranks 54 of 927.
Learn more
Two guides worth reading on 47730: zone vs. frost date, on why Zone 7a and Evansville's frost date answer different questions, and the frost range, on how to read the range around Evansville's dates instead of trusting one.