What plant hardiness zone is Radium Hot Springs

Radium Hot Springs is located at Regional District of East Kootenay, British Columbia (BC), Canada.

Plant hardiness zone (winter frost zone or gardening zone) for Radium Hot Springs is 5a by the PHZ Canadian scale.

Plants of 5a PHZ hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5a PHZ.

Also perennial plants from the equivalent USDA zone 4a with coldest winter temperature −34.4 … −31.7 °C and lower can be grown here, see list of plants for 4a USDA winter zone.

Radium Hot Springs, British Columbia @ wikipedia.