What plant hardiness zone is Mount Saint Joseph

Mount Saint Joseph is located at Hamilton County, Ohio (OH), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Mount Saint Joseph 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.

Mount Saint Joseph, Ohio @ wikipedia.