What plant hardiness zone is Cadotte Lake

Cadotte Lake is located at Northern Sunrise County, Alberta (AB), Canada.

Plant hardiness zone (winter frost zone or gardening zone) for Cadotte Lake is 2b by the PHZ Canadian scale.

Also perennial plants from the equivalent USDA zone 1b with coldest winter temperature −48.3 … −45.6 °C and lower can be grown here.

Cadotte Lake @ wikipedia.