What plant hardiness zone is Mount Hebron

Mount Hebron is located at Siskiyou County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Mount Hebron is 6b by the USDA scale.

Coldest zone's winter temperature is −5 … 0 °F.

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

Mount Hebron, California @ wikipedia.