What plant hardiness zone is Jordan
Jordan is located at Garfield County, Montana (MT), USA.
Plant hardiness zone (winter frost zone or gardening zone) for Jordan is 3b by the USDA scale.
Coldest zone's winter temperature is −35 … -30 °F.
Plants of 3b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 3b USDA.
Jordan, Montana @ wikipedia.