What plant hardiness zone is Yankee Hill

Yankee Hill is located at Butte County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Yankee Hill is 9b by the USDA scale.

Coldest zone's winter temperature is +25 … +30 °F.

Plants of 9b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9b USDA.