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Lysichiton americanus

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© RHS 1989

Characteristics

Plant type

Aquatic, Bog or Herbaceous Perennial

Habit

Clump-forming

Fragrance

Flower

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Yellow in Spring

Foliage

Green in Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

5-10 years


Preferred common name

yellow skunk cabbage

Family

Araceae


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

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

Other common names

  • American skunk cabbage
  • western skunk cabbage

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

  • South-facing, West-facing or East-facing
  • Sheltered or Exposed

Cultivation

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

Soil

  • Poorly-drained
  • Neutral, Acid or Alkaline
  • Loam

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