What plant hardiness zone is Iona

Iona is located at Murray County, Minnesota (MN), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Iona is 4b by the USDA scale.

Coldest zone's winter temperature is −25 … -20 °F.

Plants of 4b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 4b USDA.