Scientific Name: Paulownia tomentosa
Common Name: princess tree, empress tree
Family Name: Paulowniaceae
Origin: S.E. Asia / Japan / China
Hardiness Zone: Zone 5: (-29 to -23 °C)
Plant Type: Tree - deciduous
Mature Size: 10 - 15m x 10 - 15m (height x width)
Habit: Dense, Spreading
Form: Round
Texture: Coarse
Landscape Uses: Specimen plant
Exposure: Full sun, Part sun/part shade, Sheltered
Soil or Media: Well-drained
Leaves: Simple, Opposite, Soft flexible, Pinnate venation, Palmate venation, Pubescent, Tomentose, Ovate, Dentate, Entire, Palmately lobed
Flowers: Panicle, Yellow, Violet, Apr-May
Fruit: Capsule, Brown, Jul-Aug, (Persistent)
Key ID Features:
Leaves large, heart-shaped, most blades 12-25m long x 10-23cm wide, margins entire or occasionally 5 tooth or with shallow lobes (juvenile foliage), peach fuzz on underside, petioles up to 20cm long; bark has stretch marks; inflorescence panicle with large showy, violet-purple florets about 5 cm wide. Winter ID: flower buds large, fuzzy, in clusters; persistent brown, oval, pointed capsules about 3.5cm long x 2.5cm wide that partially split open in half.