While catalpa trees are not generally considered highly toxic, some parts of the tree, particularly the roots, are known to be poisonous according to the USDA Plants Database. The leaves and seed pods Polk Salad Annie Ferida's Backyard: Catalpa Pros and Cons Cigar Tree" Images Browse 335 Stock Photos, Vectors, and Video Adobe Stock The beans pods on the catalpa are nearly as beautiful as the flowers. : r marijuanaenthusiasts