Catalpa Speciosa, or more commonly know as Northern Catalpa, is a tree with dark green foliage and white flowers of the genus Catalpa. It has a rapid growth rate and a height of 60 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring, blooms during early summer and is intolerant of shade. Catalpa Speciosa or Northern Catalpa's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Colorado, Connecticut, Georgia, Iowa, Illinois, Indiana, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Hampshire, New Mexico, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia and Wisconsin.
Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming