What plant hardiness zone is Dolbeau-Mistassini

Dolbeau-Mistassini is located at Maria-Chapdelaine, Quebec (QC), Canada.

Plant hardiness zone (winter frost zone or gardening zone) for Dolbeau-Mistassini 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.