What plant hardiness zone is Brownlee Park

Brownlee Park is located at Calhoun County, Michigan (MI), USA.

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

Brownlee Park, Michigan @ wikipedia.