What plant hardiness zone is Bangor Trident Base

Bangor Trident Base is located at Kitsap County, Washington (WA), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Bangor Trident Base 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.

Bangor Trident Base, Washington @ wikipedia.