Old catalpa hi res stock photography and images Alamy Catalpa tree pods used for coffee during Depression era Northern Cigar Tree Seeds (catalpa Speciosa) 15+seeds Etsy 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 The Northern Catalpa Tree Extension Southern Catalpa (Catalpa bignonioides): Essential Guide