What plant hardiness zone is Stirling City

Stirling City is located at Butte County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Stirling City is 8b by the USDA scale.

Coldest zone's winter temperature is +15 … +20 °F.

Plants of 8b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 8b USDA.

Stirling City, California @ wikipedia.