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Hibiscus syriacus 'Hamabo' AGM

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© RHS 1997

Characteristics

Plant type

Shrub

Habit

Bushy

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

Red and Pale Pink in Autumn and Summer

Foliage

Dark Green in Autumn, Spring and Summer

Size

Ultimate height

1-1.5 metres

Ultimate spread

1-1.5 metres

Time to ultimate height

10-20 years


Preferred common name

rose mallow 'Hamabo'

Family

Malvaceae


Hibiscus can be deciduous or evergreen shrubs, trees, annuals or perennials, with simple or palmately lobed leaves and large, funnel-shaped flowers over a long flowering season

'Hamabo' is a medium-sized, deciduous shrub with strongly lobed leaves and blush-pink flowers 12cm in width, with a conspicuous red blotch at the base of each petal

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing or East-facing
  • Sheltered

Cultivation

Grow in a moist but well-drained soil in a sheltered position in full sun

Soil

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

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

City/Courtyard Gardens, Coastal, Cottage/Informal Garden, Flower borders and beds, Hedging/Screens, Patio/Container Plants or Wall-side Borders


How to care

Pruning

Pruning group 1

Pests

Aphids, mealybugs and thrips may be a problem

Diseases

Powdery mildews may be a problem