What plant hardiness zone is Trail City

Trail City is located at Corson County, South Dakota (SD), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Trail City 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.

Trail City, South Dakota @ wikipedia.