Edwardsburg, MI 49112 Frost Dates
49112, near Edwardsburg, MI: the frost window
Around 04/27 is the usual last spring frost, about 242 days away. Fall's first freeze usually shows up around 10/25, roughly 180 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Edwardsburg in Zone 6a (-10 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
Edwardsburg's growing season runs out in roughly 8 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 Edwardsburg's last frost
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/14 and only about 1 year in 10 sees frost after that.
Edwardsburg against the rest of the dataset
About 180 days separate Edwardsburg's last and first frost, putting it 24,931 of 40,283 ZIP codes nationally. Within MI, it ranks 89 of 1,153.
Learn more
Two guides worth reading on 49112: local microclimates, on what one yard in Edwardsburg can differ from the 49112 normal, and zone vs. frost date, on why Zone 6a and Edwardsburg's frost date answer different questions.