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 The beans pods on the catalpa are nearly as beautiful as the flowers. : r marijuanaenthusiasts 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 Catalpa bignonioides Cigar or Fish Bait Tree Southern Catalpa 10 Seeds