The beans pods on the catalpa are nearly as beautiful as the flowers. : r marijuanaenthusiasts Underfoot: THE CIGAR TREE Northcentral Pennsylvania Conservancy Northern catalpa Catalpa speciosa The Morton Arboretum Southern Catalpa (Catalpa bignonioides): Essential Guide In autumn, mature catalpa seed pods turn brown and often hang on the tree through late fall and into winter. Today's @marthastewartblog looks at some of the seeds, berries, and cones of