This listing is for 50 Southern Catalpa Tree - Catalpa bignonioides seeds. AKA - The Fish Bait Tree. Fast growers, Catalpa Trees typically grow to 12 meteres/39 ft tall and 6 metres/20 ft wide, making it an excellent quick growing shade tree. Catalpa Tree is a popular habitat for many birds, providing them good shelter from rain and wind. The tree is the sole source of food for the catalpa sphinx moth (Ceratomia catalpae. Because the caterpillars are an excellent live bait for fishing, some dedicated anglers plant catalpa mini-orchards for their own private source of catawba-worms, particularly in the southern states. Great unique gift for your be-loved fisher-person. A Beautiful Tree when in Bloom. The Flowers look like Pop Corn Bursting and covering the tree. Thank You for Looking!