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Physocarpus opulifolius 'Diabolo' PBR AGM

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© RHS 1998

Characteristics

Plant type

Shrub

Habit

Suckering

Resilience

Hardiness

H7 (very hardy)

Colour

Flower

Pink and White in Summer

Foliage

Dark Purple in Autumn, Spring and Summer

Fruit

Pale Brown in Autumn

Size

Ultimate height

1.5-2.5 metres

Ultimate spread

1.5-2.5 metres

Time to ultimate height

5-10 years


Preferred common name

ninebark 'Diabolo'

Family

Rosaceae


Physocarpus are bushy deciduous suckering shrubs with palmately lobed leaves and corymbs of small cream flowers in early summer, followed by small, bladdery brown fruits

'Diabolo' is a deciduous shrub with deep purple, three-lobed leaves and clusters of small white, pink-tinged flowers in summer

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

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

Cultivation

Grows best in acidic, moderately fertile, humus-rich soil but will tolerate alkaline soils. Chlorosis may occur if grown in shallow chalky soil

Soil

  • Well-drained or Moist but well-drained
  • Acid or Neutral
  • Clay, Loam or Sand

Propagation

Propagate by softwood cuttings in summer or pot up rooted suckers in autumn or spring

Suggested planting locations and garden types

Cottage/Informal Garden or Flower borders and beds


How to care

Pruning

Pruning group 2

Pests

Generally pest free

Diseases

Generally disease free