Paulownia tomentosa

  • BOTANICAL NAME:  Paulownia tomentosa
  • COMMON NAME:  Empress-tree
  • FAMILY:   Bignoniaceae
  • NATIVITY:  Invasive
  • GROWTH HABIT:  30-50' (80'), Rounded, dense crown, resembles C. bignonioides
  • HARDINESS:  USDA Zone (5) 6 - 9
  • OPTIMUM GROWING CONDITIONS:  Warm, mid-south, east coast moist to warm soils.  Extremely weedy
  • SUCCESSIONAL STATUS:  Successional
  • FACULTATIVE STATUS:  Facultative Upland
  • LANDSCAPE VALUE:  Large, purple flowers are attractive in the summer.
  • FOLIAGE:  Usually opposite but sometimes whorled, simple, broad-ovate, large pubescent leaves.
  • BUDS: Obvious all winter, very pubescent.
  • BARK:  Olive brown color and heavily lenticelled.
  • FRUIT:  Light brown aging to dirty brown.  Non ornamental.
  • PESTS:  None serious, though leaf spots, mildew bug, and twig canker can occur
  • IMAGES (click to enlarge)
Plant (1)
Plant (2)
Plant (3)
Bud (1)
Bud (2)
Stem
Leaf
Flower (1)
Flower (2)
Fruit

 

University of Delaware

University of Delaware Botanic GardensNewark, DE 19716Phone: 302 831-0153