What plant hardiness zone is Del Norte

Del Norte is located at Rio Grande County, Colorado (CO), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Del Norte 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.