Prescott, MI 48756 Frost Dates
Frost dates for Prescott, MI, ZIP 48756
The last spring frost here typically falls around 05/23, about 268 days from today. The first fall frost typically arrives around 09/26, about 127 frost-free days later.
The USDA Plant Hardiness Zone Map puts Prescott in Zone 5a (-20 to -15°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
Zone 5a around Prescott has about 4 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 05/23 isn't a guarantee
05/23 is the middle of 30 years of NOAA records, not a promise. Plant by 05/05 and you're betting against frost in roughly 9 years out of 10. 06/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Prescott compares
At roughly 127 frost-free days, Prescott places 38,662 of 40,283 ZIP codes in this dataset. Within MI, it ranks 1,067 of 1,153.
Learn more
local microclimates explains what one yard in Prescott can differ from the 48756 normal, and zone vs. frost date explains why Zone 5a and Prescott's frost date answer different questions.