What plant hardiness zone is Judith Gap

Judith Gap is located at Wheatland County, Montana (MT), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Judith Gap is 4a by the USDA scale.

Coldest zone's winter temperature is −30 … -25 °F.

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

Judith Gap, Montana @ wikipedia.