What plant hardiness zone is Owls Head

Owls Head is located at Knox County, Maine (ME), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Owls Head 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.

Owls Head, Maine @ wikipedia.