What plant hardiness zone is Snowmass Ski Area

Snowmass Ski Area is located at Pitkin County, Colorado (CO), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Snowmass Ski Area 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.

Snowmass (ski area) @ wikipedia.