What plant hardiness zone is Fort Providence

Fort Providence is located at South Slave Region, Northwest Territories (NT), Canada.

Plant hardiness zone (winter frost zone or gardening zone) for Fort Providence is 0b by the PHZ Canadian scale.

Also perennial plants from the equivalent USDA zone 0b with coldest winter temperature −53.9 … −51.1 °C and lower can be grown here.

Fort Providence, Northwest Territories @ wikipedia.