Swartz Creek, MI 48473 Frost Dates
When can you plant in Swartz Creek, MI?
The last spring frost here typically falls around 05/06, about 251 days from today. The first fall frost typically arrives around 10/10, about 155 frost-free days later.
Swartz Creek 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 6 weeks of growing season left in Swartz Creek before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/06 isn't a guarantee
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Swartz Creek compares
Swartz Creek's growing season runs about 155 days, ranking 33,953 of 40,283 US ZIP codes measured here, longest to shortest. Within MI, it ranks 776 of 1,153.
Learn more
the frost range covers how to read the range around Swartz Creek's dates instead of trusting one. local microclimates covers what one yard in Swartz Creek can differ from the 48473 normal.