What plant hardiness zone is South Park

South Park is located at Teton County, Wyoming (WY), USA.

Plant hardiness zone (winter frost zone or gardening zone) for South Park 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.

South Park, Wyoming @ wikipedia.