Newberry, MI 49728 Frost Dates
When can you plant in Newberry, MI?
Around 05/21 is the usual last spring frost, about 266 days away. The first fall frost typically arrives around 10/01, about 131 frost-free days later.
The USDA Plant Hardiness Zone Map puts Newberry in Zone 5a (-20 to -15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 5 weeks of growing season left in Newberry before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/21 isn't a guarantee
05/21 is the middle of 30 years of NOAA records, not a promise. Plant by 05/04 and you're betting against frost in roughly 9 years out of 10. 06/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Newberry compares
About 131 days separate Newberry's last and first frost, putting it 38,299 of 40,283 ZIP codes nationally. Within MI, it ranks 1,020 of 1,153.
Learn more
local microclimates covers what one yard in Newberry can differ from the 49728 normal. zone vs. frost date covers why Zone 5a and Newberry's frost date answer different questions.