What plant hardiness zone is South Rockwood

South Rockwood is located at Monroe County, Michigan (MI), USA.

Plant hardiness zone (winter frost zone or gardening zone) for South Rockwood is 6b by the USDA scale.

Coldest zone's winter temperature is −5 … 0 °F.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.

South Rockwood, Michigan @ wikipedia.