What plant hardiness zone is Camp Three

Camp Three is located at Musselshell County, Montana (MT), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Camp Three 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.

Camp Three, Montana @ wikipedia.