What plant hardiness zone is Diamond Ridge

Diamond Ridge is located at Kenai Peninsula Borough, Alaska (AK), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Diamond Ridge is 6a by the USDA scale.

Coldest zone's winter temperature is −10 … -5 °F.

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

Diamond Ridge, Alaska @ wikipedia.