Kalamazoo, MI 49019 Frost Dates
When can you plant in Kalamazoo, MI?
Typically, the last spring freeze lands around 04/29, roughly 244 days out. The first fall frost typically arrives around 10/20, about 173 frost-free days later.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Kalamazoo, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Kalamazoo 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
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Kalamazoo compares
About 173 days separate Kalamazoo's last and first frost, putting it 27,735 of 40,283 ZIP codes nationally. Within MI, it ranks 197 of 1,153.
Learn more
zone vs. frost date covers why Zone 6a and Kalamazoo's frost date answer different questions. the frost range covers how to read the range around Kalamazoo's dates instead of trusting one.