Luna Pier, MI 48133 Frost Dates
When can you plant in Luna Pier, MI?
The last spring frost here typically falls around 04/23, about 238 days from today. The first fall frost typically arrives around 10/23, about 182 frost-free days later.
The USDA Plant Hardiness Zone Map puts Luna Pier in Zone 6b (-5 to 0°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 8 weeks of growing season left in Luna Pier before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/23 isn't a guarantee
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Luna Pier compares
Luna Pier's growing season runs about 182 days, ranking 24,205 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 61 of 1,153.
Learn more
zone vs. frost date covers why Zone 6b and Luna Pier's frost date answer different questions. the frost range covers how to read the range around Luna Pier's dates instead of trusting one.