Spring Lake, MI 49456 Frost Dates
Spring Lake, MI: when does the frost end?
The last spring frost here typically falls around 04/30, about 245 days from today. Fall's first freeze usually shows up around 10/24, roughly 175 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Spring Lake in Zone 6b (-5 to 0°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
With roughly 8 weeks until Spring Lake's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Spring Lake's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Spring Lake against the rest of the dataset
At roughly 175 frost-free days, Spring Lake places 26,955 of 40,283 ZIP codes in this dataset. Within MI, it ranks 147 of 1,153.
Learn more
Before leaning on 49456's figures: the frost range explains how to read the range around Spring Lake's dates instead of trusting one, while local microclimates explains what one yard in Spring Lake can differ from the 49456 normal.