What plant hardiness zone is Cat Lake

Cat Lake is located at Kenora District, Ontario (ON), Canada.

Plant hardiness zone (winter frost zone or gardening zone) for Cat 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.

Cat Lake, Ontario @ wikipedia.