What plant hardiness zone is Mistassini

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

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