Catalpa Campus Trees File:Catalpa speciosa 7zz.jpg Wikimedia Commons Catalpa Bates Canopy Bates College A Pruning Guide for the Catalpa: When, Why & How? MOOWY Now that the leaves have fallen the exposed seed pods of some species are evident, hanging from the branches and rattling in the breeze. Wonder which species of trees you'll see with How to Grow Indian Bean Tree (Catalpa) at Home