What plant hardiness zone is Rocky Point

Rocky Point is located at Lake County, Montana (MT), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Rocky Point is 6a by the USDA scale.

Coldest zone's winter temperature is −10 … -5 °F.

Plants of 6a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6a USDA.