Herb Robert (Geranium robertianum) has an even more colorful name, Stinky Bob. What is Herb Robert? It is an attractive herb that was once sold in nurseries as an ornamental plant and used as a medicinal in simpler times. However, Herb Robert geranium is now a Class B noxious herb in Washington and Oregon. It has the ability to spread and take over native habitat quickly and prolifically. Fortunately, Herb Robert control is easy and non-toxic, although a bit tedious and time consuming. This article goes over Herb Robert identification so you can stop the spread of this potentially damaging plant.