My friend was a good guy and loved by everyone, he was also a prankster and a pain in the ass. Because of this, I planted a catalpa in his honor. Every 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 Northern Catalpa Catalpa Speciosa Deciduous Trees Cold Stream Farm A Catalpa Tree in My Garden Franklin & Marshall Northern Catalpa (Catalpa speciosa)