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 Northern catalpa Catalpa speciosa The Morton Arboretum Southern Cigar Tree Seeds (catalpa Bignonioides) 15+seeds Etsy Sweden The Beautiful Catalpa Tree, Huge Flowers and Fishing Bait Hudson Valley Gardens Has anyone worked with catalpa plant?