Dryden, MI 48428 Frost Dates
Frost dates for Dryden, MI, ZIP 48428
Typically, the last spring freeze lands around 05/04, roughly 249 days out. The first fall frost typically arrives around 10/14, about 160 frost-free days later.
The USDA Plant Hardiness Zone Map puts Dryden in Zone 6a (-10 to -5°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 6a around Dryden has about 7 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.
The actual range around Dryden's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dryden compares
At roughly 160 frost-free days, Dryden places 32,433 of 40,283 ZIP codes in this dataset. Within MI, it ranks 636 of 1,153.
Learn more
the frost range explains how to read the range around Dryden's dates instead of trusting one, and local microclimates explains what one yard in Dryden can differ from the 48428 normal.