What plant hardiness zone is South Colby

South Colby is located at Kitsap County, Washington (WA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for South Colby 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.

South Colby, Washington @ wikipedia.