What plant hardiness zone is Air Force Academy

Air Force Academy is located at El Paso County, Colorado (CO), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Air Force Academy 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.

Air Force Academy, Colorado @ wikipedia.