What plant hardiness zone is Rancho Tehama Reserve

Rancho Tehama Reserve is located at Tehama County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Rancho Tehama Reserve 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.