East Grand Rapids, MI 49468 Frost Dates
East Grand Rapids, MI: when does the frost end?
Around 05/06 is the usual last spring frost, about 251 days away. Fall's first freeze usually shows up around 10/10, roughly 157 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts East Grand Rapids in Zone 6a (-10 to -5°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 6 weeks until East Grand Rapids's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around East Grand Rapids's last frost
05/06 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 05/23 and only about 1 year in 10 sees frost after that.
East Grand Rapids against the rest of the dataset
About 157 days separate East Grand Rapids's last and first frost, putting it 33,264 of 40,283 ZIP codes nationally. Within MI, it ranks 705 of 1,153.
Learn more
Before leaning on 49468's figures: local microclimates explains what one yard in East Grand Rapids can differ from the 49468 normal, while zone vs. frost date explains why Zone 6a and East Grand Rapids's frost date answer different questions.