Catalpa Tree Pods Smoke Smoke Catalpa Pods Indian bean tree (catalpa tree) bean uses? : r foraging No these aren't giant tree green beans, but instead the seed pod of the northern catalpa. These bean like pods can grow to be 20" long and contain numerous 1" long seeds. #haverfordcollegearboretum # Catalpa Tree Pods Smoke Polk Salad Annie Northern Catalpa Catalpa Speciosa Deciduous Trees Cold Stream Farm