FrostDateCheck

Oxford, MI 48370 Frost Dates

When can you plant in Oxford, MI?

Zone 6a

Around 04/29 is the usual last spring frost, about 244 days away. The first fall frost typically arrives around 10/20, about 172 frost-free days later.

Oxford 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 8 weeks of growing season left in Oxford before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Oxford's last frost

04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Oxford compares

About 172 days separate Oxford's last and first frost, putting it 28,294 of 40,283 ZIP codes nationally. Within MI, it ranks 255 of 1,153.

Learn more

zone vs. frost date covers why Zone 6a and Oxford's frost date answer different questions. the frost range covers how to read the range around Oxford's dates instead of trusting one.