What plant hardiness zone is Diamond Springs

Diamond Springs is located at El Dorado County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Diamond Springs 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.

Diamond Springs, California @ wikipedia.