What plant hardiness zone is Old Fort

Old Fort is located at Seneca County, Ohio (OH), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Old Fort 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.

Old Fort, Ohio @ wikipedia.