Northern Catalpa Ohio Department of Natural Resources Polk Salad Annie Dog walk treasures (Catalpa pod) SIDEWALK NATURE The seed pods of a catalpa tree (northern catalpa?) growing in Gettysburg, Pennsylvania, United States Stock Photo Alamy Have you seen this impressive tree that produces bean pods and wondered what it was or what it could be used for? The Catalpa Tree (Catalpa bignonioides) is also referred to as