Brooklyn, MI 49261 Frost Dates
When can you plant in Brooklyn, MI?
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/14, about 165 frost-free days later.
Brooklyn 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 Brooklyn 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
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brooklyn compares
Brooklyn's growing season runs about 165 days, ranking 30,628 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 459 of 1,153.
Learn more
zone vs. frost date covers why Zone 6a and Brooklyn's frost date answer different questions. the frost range covers how to read the range around Brooklyn's dates instead of trusting one.