What plant hardiness zone is Cass Lake

Cass Lake is located at Cass County, Minnesota (MN), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Cass Lake is 3a by the USDA scale.

Coldest zone's winter temperature is −40 … -35 °F.

Plants of 3a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 3a USDA.

Cass Lake, Minnesota @ wikipedia.