What plant hardiness zone is Zama City

Zama City is located at Mackenzie County, Alberta (AB), Canada.

Plant hardiness zone (winter frost zone or gardening zone) for Zama City is 1a by the PHZ Canadian scale.

Also perennial plants from the equivalent USDA zone 0a with coldest winter temperature < −53.9 °C and lower can be grown here.

Zama City, Alberta @ wikipedia.