What plant hardiness zone is Osnaburgh House

Osnaburgh House is located at Kenora District, Ontario (ON), Canada.

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

Osnaburgh House, Ontario @ wikipedia.