Northern Catalpa Catalpa Speciosa Deciduous Trees Cold Stream Farm Indian bean tree (catalpa tree) bean uses? : r foraging Catalpa bignonioides Flowering Tree,Medicinal Herbs Cigar Tree, Southern Catalpa 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