What plant hardiness zone is Iroquois Falls

Iroquois Falls is located at Cochrane District, Ontario (ON), Canada.

Plant hardiness zone (winter frost zone or gardening zone) for Iroquois Falls 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.

Iroquois Falls, Ontario @ wikipedia.