What plant hardiness zone is Seiad Valley

Seiad Valley is located at Siskiyou County, California (CA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Seiad Valley 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.

Seiad Valley, California @ wikipedia.