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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

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12. Kudzu

kudzuKudzu (Pueraria lobata)

  • Fast-growing, deciduous, perennial vine
  • Grows up to one foot per day
  • Completely covers vegetation and structures
  • Vines are 1 to 4 inches thick
  • When young, stems are covered with stiff bronze hairs, becoming woody when mature
  • Roots are fleshy with taproot up to 12 feet deep 
  • Reddish to purple, erect, pea-like flowers 4 to 8 inches long with a grapefruit-like smell
  • Blooms mid-summer through early fall 

kudzuPhotos courtesy of the Oregon Department of Agriculture