Catalpa tree leaves and bark for pods? : r isopods Catalpa, Northern, Catalpa speciosa Leaves for Wildlife Smok Mag Grip 100W Starter Kit SMOK Mag Grip 100W TC Box Mod Vapor Authority 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 # SMOK Mag Grip 100W Kit Review HealthCabin