What plant hardiness zone is Anahim Lake

Anahim Lake is located at Cariboo Regional District, British Columbia (BC), Canada.

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

Anahim Lake, British Columbia @ wikipedia.