Imlay City, MI 48444 Frost Dates
When can you plant in Imlay City, MI?
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/14, about 160 frost-free days later.
Imlay City 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
About 7 weeks of growing season left in Imlay City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Imlay City's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Imlay City compares
About 160 days separate Imlay City's last and first frost, putting it 32,313 of 40,283 ZIP codes nationally. Within MI, it ranks 629 of 1,153.
Learn more
local microclimates covers what one yard in Imlay City can differ from the 48444 normal. zone vs. frost date covers why Zone 6a and Imlay City's frost date answer different questions.