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Cistus × cyprius var. ellipticus 'Elma' AGM

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© RHS 2000

Characteristics

Plant type

Shrub

Habit

Bushy

Resilience

Hardiness

H4 (hardy - average winter)

Colour

Flower

White in Summer

Foliage

Dark Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

1-1.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

5-10 years


Preferred common name

rock rose 'Elma'

Family

Cistaceae


Cistus are evergreen shrubs with simple, opposite leaves and 5-petalled, bowl-shaped, white, pink or purplish flowers, each lasting a single day, over a long period in summer

'Elma' is a bushy evergreen shrub with shiny dark green lanceolate leaves and un-blotched white flowers to 10cm in width

Synonym(s)

  • Cistus × cyprius 'Elma'
  • Cistus × cyprius var. ellipticus f. bicolor 'Elma'
  • Cistus × dansereaui 'Elma'
  • Cistus 'Elma'
  • Cistus 'Elma Colicte'

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or East-facing
  • Sheltered

Cultivation

Will grow well in poor soils but may become chlorotic with age on chalky soils. Needs a sheltered position in full sun

Soil

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

Propagation

Propagate by softwood cuttings

Suggested planting locations and garden types

Banks and Slopes, City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Mediterranean Climate Plants or Wall-side Borders


How to care

Pruning

Pruning group 8 or pruning group 9. Does not respond to hard pruning

Pests

Generally pest free

Diseases

Generally disease free