What plant hardiness zone is Mount Crested Butte

Mount Crested Butte is located at Gunnison County, Colorado (CO), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Mount Crested Butte is 5a by the USDA scale.

Coldest zone's winter temperature is −20 … -15 °F.

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

Mount Crested Butte, Colorado @ wikipedia.