Darmstadt, IN 47720 Frost Dates
47720, near Darmstadt, IN: the frost window
Around 04/04 is the usual last spring frost, about 219 days away. Fall's first freeze usually shows up around 10/29, roughly 206 days after the last spring frost.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Darmstadt, not a forecast for this year.
Stretching the season past the first frost
Darmstadt'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 Darmstadt'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.
Darmstadt against the rest of the dataset
About 206 days separate Darmstadt's last and first frost, putting it 16,049 of 40,283 ZIP codes nationally. Within IN, it ranks 66 of 927.
Learn more
Two guides worth reading on 47720: local microclimates, on what one yard in Darmstadt can differ from the 47720 normal, and zone vs. frost date, on why Zone 7a and Darmstadt's frost date answer different questions.