What plant hardiness zone is Hidden Valley Lake

Hidden Valley Lake is located at Lake County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Hidden Valley Lake is 9a by the USDA scale.

Coldest zone's winter temperature is +20 … +25 °F.

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