Charlotte, MI 48908 Frost Dates
48908, near Charlotte, MI: the frost window
The last spring frost here typically falls around 05/01, about 246 days from today. Fall's first freeze usually shows up around 10/15, roughly 164 days after the last spring frost.
Charlotte sits in USDA Zone 6a (-10 to -5°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
Charlotte's growing season runs out in roughly 7 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 Charlotte's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Charlotte against the rest of the dataset
At roughly 164 frost-free days, Charlotte places 30,886 of 40,283 ZIP codes in this dataset. Within MI, it ranks 478 of 1,153.
Learn more
Two guides worth reading on 48908: local microclimates, on what one yard in Charlotte can differ from the 48908 normal, and zone vs. frost date, on why Zone 6a and Charlotte's frost date answer different questions.