FrostDateCheck

Little Canada, MN 55133 Frost Dates

Little Canada, MN: when does the frost end?

Zone 5a

Around 04/23 is the usual last spring frost, about 238 days away. Fall's first freeze usually shows up around 10/20, roughly 177 days after the last spring frost.

Zone 5a (-20 to -15°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 Little Canada, not a forecast for this year.

Stretching the season past the first frost

With roughly 8 weeks until Little Canada's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Little Canada's last frost

04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/07 and only about 1 year in 10 sees frost after that.

Little Canada against the rest of the dataset

About 177 days separate Little Canada's last and first frost, putting it 26,061 of 40,283 ZIP codes nationally. Within MN, it ranks 20 of 943.

Learn more

Before leaning on 55133's figures: the frost range explains how to read the range around Little Canada's dates instead of trusting one, while local microclimates explains what one yard in Little Canada can differ from the 55133 normal.