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Arum italicum subsp. italicum 'Marmoratum' AGM

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© RHS 2000

Characteristics

Plant type

Bulb

Habit

Columnar/Upright

Toxicity

All parts are highly toxic by ingestion; skin and eye irritant

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Flower

Pale Green and Pale Yellow in Summer

Foliage

White and Dark Green in Autumn, Spring, Summer and Winter

Fruit

Orange and Red in Autumn

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

Italian arum 'Marmoratum'

Family

Araceae


Arum are tuberous perennials with simple, arrow-head shaped leaves and tiny flowers hidden, at the base of a yellow or purple, club-shaped spadix, within a showy, hood-like spathe, and followed by red berries

'Marmoratum' is a tuberous perennial to 35cm, with large, arrow-shaped dark, glossy green leaves veined creamy-white and appearing in autumn. Large greenish-yellow spathes with a yellow spadix are followed by showy spikes of orange-red berries

Synonym(s)

  • Arum italicum marmoratum
  • Arum italicum 'Pictum'
  • Arum italicum var. pictum

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

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

Cultivation

Grow in moist but well-drained humus-rich soil and plant 10 to 15cm deep

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Loam, Chalk or Sand

Propagation

Division of clumps of tubers should take place after flowering. Alternatively, propagate by seed sown in autumn having removed the fleshy pulp

Suggested planting locations and garden types

Cottage/Informal Garden, Flower borders and beds or Underplanting of Roses and Shrubs


How to care

Pruning

No pruning required

Pests

Generally pest free

Diseases

Generally disease free