Gaastra, MI 49927 Frost Dates
When can you plant in Gaastra, MI?
Typically, the last spring freeze lands around 06/06, roughly 282 days out. The first fall frost typically arrives around 09/09, about 94 frost-free days later.
Gaastra sits in USDA Zone 4a (-30 to -25°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 2 weeks of growing season left in Gaastra 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
06/06 is the middle of 30 years of NOAA records, not a promise. Plant by 05/23 and you're betting against frost in roughly 9 years out of 10. 07/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Gaastra compares
About 94 days separate Gaastra's last and first frost, putting it 39,850 of 40,283 ZIP codes nationally. Within MI, it ranks 1,153 of 1,153.
Learn more
the frost range covers how to read the range around Gaastra's dates instead of trusting one. local microclimates covers what one yard in Gaastra can differ from the 49927 normal.