What plant hardiness zone is Bird Island

Bird Island is located at Renville County, Minnesota (MN), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Bird Island 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.

Bird Island, Minnesota @ wikipedia.