• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Lysichiton americanus

yellow skunk cabbage

yellow skunk cabbage

© � RHS 1989

  • Other common names yellow skunk cabbage
    American skunk cabbage

    western skunk cabbage

    see more
  • Genus Lysichiton are rhizomatous herbaceous perennials with large, lance-shaped leaves developing after the ovate white or yellow flower spathes surrounding the club-like, yellow or green flowering spadix

  • Family Araceae / Araceae

  • Details L. americanus is a robust herbaceous perennial with unpleasantly-scented, bright yellow arum-like flowers 40cm in height in early spring, followed by rich green oval leaves up to 1.2m in length

  • Plant range West N America


  • Foliage Deciduous

  • Habit Clump-forming

  • Fragrance Flower



  • Full Sun

  • Partial Shade

  • Aspect South-facing or West-facing or East-facing

  • Exposure Sheltered or Exposed


  • Chalk


  • MoisturePoorly-drained

  • SoilLoam

  • pHNeutral, Acid, Alkaline


  • Ultimate height

    1-1.5 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    5-10 years

How to grow

Cultivation Grow in fertile, humus-rich soil at pool margins, in full sun or partial shade

Propagation Propagate by seed sown in wet soil in spring or summer or by offsets taken in summer

Suggested planting locations and garden types Low Maintenance

How to care

Pruning No pruning required

Pests Generally pest free

Diseases Generally disease free

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