What plant hardiness zone is Wounded Knee

Wounded Knee is located at Oglala Lakota County, South Dakota (SD), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Wounded Knee 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.

Wounded Knee, South Dakota @ wikipedia.