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 Cigar Tree" Images Browse 334 Stock Photos, Vectors, and Video Adobe Stock **1. Cigar Tree Nickname** Catalpa's seed pods look like dangling cigars or green beans (up to 20 inches long!)earning it names like Cigar Tree or Indian Bean Tree. These pods stay Plant your own backyard bait tree The Arkansas Democrat Gazette Arkansas' Best News Source How to Harvest Catalpa Tree Seeds From Beans How to Grow Indian Bean Tree (Catalpa) at Home