What plant hardiness zone is Port Austin

Port Austin is located at Huron County, Michigan (MI), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Port Austin is 6a by the USDA scale.

Coldest zone's winter temperature is −10 … -5 °F.

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