L'Anse, MI 49961 Frost Dates
When can you plant in L'Anse, MI?
Typically, the last spring freeze lands around 05/25, roughly 270 days out. The first fall frost typically arrives around 09/25, about 123 frost-free days later.
The USDA Plant Hardiness Zone Map puts L'Anse in Zone 4b (-25 to -20°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 4 weeks of growing season left in L'Anse before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/25 is the middle of 30 years of NOAA records, not a promise. Plant by 05/07 and you're betting against frost in roughly 9 years out of 10. 06/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How L'Anse compares
At roughly 123 frost-free days, L'Anse places 38,899 of 40,283 ZIP codes in this dataset. Within MI, it ranks 1,085 of 1,153.
Learn more
local microclimates covers what one yard in L'Anse can differ from the 49961 normal. zone vs. frost date covers why Zone 4b and L'Anse's frost date answer different questions.