Springfield, MI 49037 Frost Dates
When can you plant in Springfield, MI?
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/19, about 170 frost-free days later.
Zone 6a (-10 to -5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Springfield, not a forecast for this year.
What to do before the first frost
About 7 weeks of growing season left in Springfield before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Springfield's last frost
04/30 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. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Springfield compares
At roughly 170 frost-free days, Springfield places 28,985 of 40,283 ZIP codes in this dataset. Within MI, it ranks 319 of 1,153.
Learn more
local microclimates covers what one yard in Springfield can differ from the 49037 normal. zone vs. frost date covers why Zone 6a and Springfield's frost date answer different questions.