What plant hardiness zone is Prespatou

Prespatou is located at Peace River Regional District, British Columbia (BC), Canada.

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