What plant hardiness zone is Old Fort Nelson

Old Fort Nelson is located at Northern Rockies Regional Municipality, British Columbia (BC), Canada.

Plant hardiness zone (winter frost zone or gardening zone) for Old Fort Nelson is 3a by the PHZ Canadian scale.

Plants of 3a PHZ hardiness zone suitable for outdoor gardening and growing in this winter frost zone 3a PHZ.

Also perennial plants from the equivalent USDA zone 2a with coldest winter temperature −45.6 … −42.8 °C and lower can be grown here, see list of plants for 2a USDA winter zone.