What plant hardiness zone is McKinley

McKinley is located at Saint Louis County, Minnesota (MN), USA.

Plant hardiness zone (winter frost zone or gardening zone) for McKinley is 3b by the USDA scale.

Coldest zone's winter temperature is −35 … -30 °F.

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