Stockbridge, MI 49285 Frost Dates
49285, near Stockbridge, MI: the frost window
The last spring frost here typically falls around 04/30, about 245 days from today. Fall's first freeze usually shows up around 10/14, roughly 166 days after the last spring frost.
Zone 6a (-10 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 Stockbridge, not a forecast for this year.
Stretching the season past the first frost
Stockbridge'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 Stockbridge's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/17 and only about 1 year in 10 sees frost after that.
Stockbridge against the rest of the dataset
Stockbridge's growing season runs about 166 days, ranking 30,403 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 420 of 1,153.
Learn more
Two guides worth reading on 49285: local microclimates, on what one yard in Stockbridge can differ from the 49285 normal, and zone vs. frost date, on why Zone 6a and Stockbridge's frost date answer different questions.