East Grand Rapids, MI 49357 Frost Dates
Frost dates for East Grand Rapids, MI, ZIP 49357
The last spring frost here typically falls around 05/06, about 251 days from today. The first fall frost typically arrives around 10/10, about 157 frost-free days later.
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.
What to do before the first frost
Zone 6a around East Grand Rapids has about 6 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 05/06 isn't a guarantee
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How East Grand Rapids compares
About 157 days separate East Grand Rapids's last and first frost, putting it 33,263 of 40,283 ZIP codes nationally. Within MI, it ranks 704 of 1,153.
Learn more
the frost range explains how to read the range around East Grand Rapids's dates instead of trusting one, and local microclimates explains what one yard in East Grand Rapids can differ from the 49357 normal.