Not the plant you're looking for? Search over 300,000 plants
BeddingConservatory Greenhouse

Zantedeschia 'Sumatra'PBR

arum lily 'Sumatra'

A compact, clump-forming, tuberous perennial to around 40cm tall. The upright, green leaves are spotted and streaked with white and edged with a thin line of purple; purple flowers are borne erect on sturdy stems in summer

Join the RHS

Become an RHS Member today and save 25% on your first year

Join now
Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Moisture
Moist but well–drained, Poorly–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Purple White
Summer Purple Green Purple White
Autumn Green Purple White
Winter
Position
  • Full sun
Aspect

West–facing or South–facing

Exposure
Sheltered
Hardiness
H1C
Botanical details
Family
Araceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Harmful if eaten, skin/eye irritant. Wear gloves and other protective equipment when handling
Genus

Zantedeschia can be deciduous or semi-evergreen, tuberous perennials with lance-shaped or arrow-shaped leaves and tiny yellow flowers forming a dense spike-like spadix, with a showy, hood-like spathe, sometimes followed by orange berry-like fruits

Name status

Accepted

How to grow

Cultivation

Plant tubers in loam-based compost in spring. Plants may be grown under glass all year, at a minimum of 10°C; alternatively use as bedding plants in summer once all risk of frost has passed. Keep well-watered in the growing season. Bring outdoor pots indoors, or lift and store tubers in a frost-free place, in autumn. See Zantedeschia cultivation

Propagation

Propagate by division in spring

Suggested planting locations and garden types
  • Sub-tropical
  • City and courtyard gardens
  • Patio and container plants
  • Flower borders and beds
Pruning

No pruning required

Pests

May be susceptible to aphids, glasshouse red spider mite or glasshouse whitefly

Diseases

May be susceptible tofungal rots

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.