What plant hardiness zone is Black River Falls

Black River Falls is located at Jackson County, Wisconsin (WI), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Black River Falls 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.

Black River Falls, Wisconsin @ wikipedia.