What Is A Boysenberry? Boysenberry is a cross product of European blackberry (Rubus fruticosus), European raspberry (Rubus idaeus), American dewberry (Rubus aboriginum), and loganberry, and in scientific terms is known as “Rubus ursinus Rubus idaeus.” In simple words, the cross has been done between the members of the family Rosaceae, which led to the formation … Continue reading Can Dogs Eat Boysenberries? Are Boysenberries Safe for Dogs?