East Grand Rapids, MI 49356 Frost Dates
East Grand Rapids, MI: when does the frost end?
Typically, the last spring freeze lands around 05/06, roughly 251 days out. Fall's first freeze usually shows up around 10/10, roughly 157 days after the last spring frost.
East Grand Rapids sits in USDA Zone 6a (-10 to -5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a 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.
How much risk comes with planting early here
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
At roughly 157 frost-free days, East Grand Rapids places 33,262 of 40,283 ZIP codes in this dataset. Within MI, it ranks 703 of 1,153.
Learn more
Before leaning on 49356's figures: zone vs. frost date explains why Zone 6a and East Grand Rapids's frost date answer different questions, while the frost range explains how to read the range around East Grand Rapids's dates instead of trusting one.