The Paulownia Tree or Empress Tree is the fastest growing tree sold by TyTy Nursery. Eastern culture contains many legends and traditions involving the Paulownia tree. In fact, it is said that the Phoenix will only perch upon the branches of an Paulownia Tree. Paulownia Trees grow rapidly and can even regenerate after being consumed by fire. Giant blue flowers and green leaves 1ft. long. The fastest growing tree we know. Unbelievable! The Flowering Paulownia trees grows 11/2 ft. in diameter in 2 years. The fragrant flowers of this very fast growing tree grow in abundance. The Paulownia tree is also called the Blue Dragon Tree or the Blue Princess Tree, and can be grown in most areas of the United States. A ten gallon size Flowering Paulownia tree. Order a Large Empress Tree today and enjoy beautiful blooms in one growing season. The Flowering Paulownia is a stunning landscape specimen that will grow flowers in February through June.