A Catalpa Tree in My Garden Have you seen this impressive tree that produces bean pods and wondered what it was or what it could be used for? The Catalpa Tree (Catalpa bignonioides) is also referred to as Northern Catalpa Catalpa Speciosa Deciduous Trees Cold Stream Farm Catalpa Tree Seeds for Planting 50 Seeds to Grow Stunning Flowers, Large Leaves, and Bean Like Seed Pods CZ Grain Northern catalpa Catalpa speciosa The Morton Arboretum