Paulowonia tomentosa (Thunb.) Steud. is a large deciduous tree, native to China. It is currently naturalized in the eastern United States. For further information on problems related to this plant, see the Alien Plant Working Group. Hardiness: Zone 6-9 Height: 40-60 feet (12-18 metres) Growth Habit: Short trunk, broad open crown Flowering: Spring Light: Full sun to partial shade. Soil: Moist, well drained soil. Tolerates poor soil. Beyond its horticultural value, because of its fast growth, there is a great deal of interest in Paulownia as a source of quality hardwood. For more information, check out the links below.