What plant hardiness zone is Stonewall Gap

Stonewall Gap is located at Las Animas County, Colorado (CO), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Stonewall Gap 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.

Stonewall Gap, Colorado @ wikipedia.