What plant hardiness zone is Olympic Valley

Olympic Valley is located at Placer County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Olympic Valley is 6b by the USDA scale.

Coldest zone's winter temperature is −5 … 0 °F.

Plants of 6b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b USDA.

Olympic Valley, California @ wikipedia.