Canton, MN 55954 Frost Dates
When can you plant in Canton, MN?
The last spring frost here typically falls around 05/10, about 255 days from today. The first fall frost typically arrives around 09/28, about 140 frost-free days later.
Zone 4b (-25 to -20°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 Canton, not a forecast for this year.
What to do before the first frost
About 4 weeks of growing season left in Canton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/10 isn't a guarantee
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/27 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Canton compares
At roughly 140 frost-free days, Canton places 37,153 of 40,283 ZIP codes in this dataset. Within MN, it ranks 749 of 943.
Learn more
local microclimates covers what one yard in Canton can differ from the 55954 normal. zone vs. frost date covers why Zone 4b and Canton's frost date answer different questions.