What plant hardiness zone is Sleepy Hollow

Sleepy Hollow is located at Campbell County, Wyoming (WY), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Sleepy Hollow is 4b by the USDA scale.

Coldest zone's winter temperature is −25 … -20 °F.

Plants of 4b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 4b USDA.