Suttons Bay, MI 49654 Frost Dates
Suttons Bay, MI: when does the frost end?
Typically, the last spring freeze lands around 05/09, roughly 254 days out. Fall's first freeze usually shows up around 10/26, roughly 169 days after the last spring frost.
Zone 6b (-5 to 0°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 Suttons Bay, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Suttons Bay's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Suttons Bay's last frost
05/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/24 and only about 1 year in 10 sees frost after that.
Suttons Bay against the rest of the dataset
Suttons Bay's growing season runs about 169 days, ranking 29,556 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 347 of 1,153.
Learn more
Before leaning on 49654's figures: the frost range explains how to read the range around Suttons Bay's dates instead of trusting one, while local microclimates explains what one yard in Suttons Bay can differ from the 49654 normal.