What plant hardiness zone is Fort Duchesne

Fort Duchesne is located at Uintah County, Utah (UT), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Fort Duchesne is 5b by the USDA scale.

Coldest zone's winter temperature is −15 … -10 °F.

Plants of 5b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5b USDA.

Fort Duchesne, Utah @ wikipedia.