Kent City, MI 49330 Frost Dates
Kent City, MI: when does the frost end?
Typically, the last spring freeze lands around 05/14, roughly 259 days out. Fall's first freeze usually shows up around 09/29, roughly 135 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 Kent City, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Kent City's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 05/14 isn't a guarantee
05/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/31 and only about 1 year in 10 sees frost after that.
Kent City against the rest of the dataset
About 135 days separate Kent City's last and first frost, putting it 37,884 of 40,283 ZIP codes nationally. Within MI, it ranks 978 of 1,153.
Learn more
Before leaning on 49330's figures: local microclimates explains what one yard in Kent City can differ from the 49330 normal, while zone vs. frost date explains why Zone 6a and Kent City's frost date answer different questions.