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 Trees called Johnny smokers by kids, why? The Northern Catalpa Tree Nebraskaland Magazine The Northern Catalpa Tree Extension Has anyone worked with catalpa plant?