What plant hardiness zone is Dugway Proving Grounds

Dugway Proving Grounds is located at Tooele County, Utah (UT), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Dugway Proving Grounds 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.