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Zantedeschia aethiopica 'Crowborough' (Arum lily 'Crowborough')

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Variety or Cultivar
'Crowborough' is a tender yet vigorous, upright, clump-forming, rhizomatous, semi-evergreen perennial with large, arrow-shaped, dark green leaves and, from early summer to early autumn funnel-shaped white spathes with prominent yellow spadix.
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Season of interest

Flower

Spring Summer Autumn Winter
Flower

Foliage

Spring Summer Autumn Winter
Foliage
Height and spread

Height and spread

Size Max height Max spread To maturity
1 m 0.5 m 5-10 years
3 ft 1 ft 5-10 years

Where to grow

Soil type
  • Clay
  • Loamy
Soil drainage
  • Boggy damp conditions
Soil pH
  • Acid
  • Alkaline
  • Neutral
Sunlight
  • Full Sun
Aspect
  • West
  • South
Exposure
  • Exposed
  • Sheltered

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Additional plant details

Cultivation

Plant in loam soil (ideally in planting baskets) in water up to 30cm deep, in full sun. Protect overwintering plants by removing the baskets and storing them in a frost-free environment.

Suggested uses

Architectural, Beds and borders, Cottage/Informal, Wallside and trellises, Waterside

UK hardiness

H4

USDA zones

Zone 7, Zone 8, Zone 9

Sunset zone

5, 6, 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2

WUCOLS

North-Central Coastal = Moderate/Medium
Central Valley = Moderate/Medium
South Coastal = Moderate/Medium
South Inland = Moderate/Medium
High and Intermediate Desert = Inappropriate
Low Desert = Moderate/Medium

Foliage

Deciduous

Habit

Upright, Clump-forming

Native to

Garden origin

Drought tolerant

No

Flood tolerant

Yes

Toxicity

All parts may cause severe discomfort if ingested. The sap may irritate skin and eyes.

Plant care

Pruning

Propagation methods

Division

Pests

Aphids

Diseases

Cut untidy foliage and spent flower stalks (optional)

Water regularly through dry periods

Divide and replant in spring

Plant container grown plants in a sunny sheltered spot

Planting aquatic plants baskets with heavy loam soil

Overwinter tender plants in frost-free place

Plant in moist or boggy soil

Plant in full sun or partial shade (autumn or spring)

Other plants

Plants in this Genus (0)

Zantedeschia

Companion plants (2)

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Nymphaea 'Masaniello'
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Nymphaea 'Masaniello' Waterlily 'Masaniello'
Nymphaea 'Caroliniana Nivea'
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Nymphaea 'Caroliniana Nivea' Waterlily 'Caroliniana Nivea'
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Related content

Discuss Zantedeschia aethiopica 'Crowborough' with other Shoot members

Zantedeschia

Nicola
886 0
The RHS website says 'Zantedeschia fall into two main types: hardier outdoor forms, often called arum lilies, with striking white flowers; and the more tender forms, typically with white-spotted leaves and pretty flowers in yellow, orange, pink or dark purple. These are often called calla lilies.'
Posted: Sunday 17th of May 2009 08:13 PM Last reply: Thursday 5th of September 2024 05:28 PM

This plant is featured at Chelsea Flower Show 2009

Nicola
804 0
Zantedeschia aethiopica 'Crowborough' (Arum lily 'Crowborough') has been used in The Daily Telegraph for Chelsea Flower Show 2009.
Posted: Sunday 17th of May 2009 08:09 PM Last reply: Friday 28th of February 2025 02:15 PM
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