Catalpa Tree Pods Smoke Catalpa What is the catalpa tree and its uses? Smoke Catalpa Pods 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 Catalpa Tree Pods Smoke Northern Catalpa The seed pods of a catalpa tree (northern catalpa?) growing in Gettysburg, Pennsylvania, United States Stock Photo Alamy