Why you should consider planting a bean tree KSNF KODE FourStatesHomepage.com 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 Biography of Durham's Finest Tree* No. 10: Parkwood Southern Catalpa ( Catalpa bignonioides) Extension Master Gardener Volunteers of Durham County Indian bean tree (catalpa tree) bean uses? : r foraging