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Stewartia malacodendron AGM

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© RHS 2002

Characteristics

Plant type

Tree or Shrub

Habit

Bushy

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

Purple and White in Summer

Foliage

Dark Green in Autumn, Spring and Summer

Size

Ultimate height

4-8 metres

Ultimate spread

2.5-4 metres

Time to ultimate height

10-20 years


Preferred common name

silky camellia

Family

Theaceae


Stewartia are deciduous trees or shrubs, often with attractive peeling bark, ovate leaves and showy white flowers; good autumn colour

S. malacodendron is a large deciduous shrub or small tree with ovate leaves and, in summer, solitary white flowers to 8cm across, with conspicuous purple stamens

How to grow

Sunlight

  • Part shade
  • Full shade

Aspect

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

Cultivation

Grows well in woodland conditions, favouring a moist, humus-rich, lime-free soil in partial shade. The roots must be fully shaded from hot sun and they resent disturbance or transplanting

Soil

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

Propagation

Propagate by softwood cuttings in early summer or semi-hardwood cuttings in late-summer. Propagate by seed sown in containers in a cold-frame in autumn

Suggested planting locations and garden types

Architectural, City/Courtyard Gardens or Cottage/Informal Garden


How to care

Pruning

Pruning group 1

Pests

Generally pest free

Diseases

Generally disease free