What plant hardiness zone is North Spirit Lake

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

Plant hardiness zone (winter frost zone or gardening zone) for North Spirit 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.

North Spirit Lake, Ontario @ wikipedia.