 | Rocky Mountain Sumac. Do you need a tough plant? Well, this is a tough plant! The Rocky Mountain Sumac (Rhus glabra 'Cismontana') thrives in some of the harshest environments that America has to offer! Rocky Mountain Sumac has an almost tropical appearance. The palm-like leaves will definitely spice up those rocky, sandy or dry corners of your yard. Being a xeric plant, it doesn't need you to water it once it's established. If it's happy where you plant it, then it will start to form into a nice thicket. This native cultivar... - Rocky Mountain Sumac. |