What plant hardiness zone is Saint Clair Shores

Saint Clair Shores is located at Macomb County, Michigan (MI), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Saint Clair Shores 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.

Saint Clair Shores, Michigan @ wikipedia.