What plant hardiness zone is Sachs Harbour

Sachs Harbour is located at Inuvik Region, Northwest Territories (NT), Canada.

Plant hardiness zone (winter frost zone or gardening zone) for Sachs Harbour is 0a by the PHZ Canadian scale.

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

Sachs Harbour, Northwest Territories @ wikipedia.