Skip to site navigation

Hibiscus rosa-sinensis 'Cooperi' (v) AGM

Home  |  Plants > Plant Selector > Hibiscus rosa-sinensis 'Cooperi' (v) AGM

© RHS

Characteristics

Plant type

Conservatory/Greenhouse or Shrub

Habit

Bushy

Resilience

Hardiness

H1b (heated greenhouse - subtropical)

Colour

Flower

Red in Summer

Foliage

Green, Pink and White in Autumn, Spring, Summer and Winter

Size

Ultimate height

1-1.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

5-10 years


Preferred common name

rose mallow 'Cooperi'

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

<p>'Cooperi' is a compact evergreen shrub with lance-shaped leaves heavily marbled and blotched with white and sometimes tinged pink; flowers red</p>

How to grow

Sunlight

  • Part shade

Aspect

  • West-facing or South-facing
  • Sheltered

Cultivation

Under glass grow in a loam-based potting compost (JI No.2) in bright filtered light, providing moderate humidity and good ventilation. Water freely during the growing season and apply a balanced liquid fertiliser monthly. Water sparingly in winter

Soil

  • Well-drained
  • Alkaline or Neutral
  • Loam

Propagation

Propagate by seed at 13-18°C (55-64°F) in spring or propagate by semi-ripe cuttings in summer

Suggested planting locations and garden types

Patio/Container Plants


How to care

Pruning

Pruning group 9 little or no regular pruning evergreen shrubs

Pests

Aphids, scale insects, mealybugs and glasshouse whitefly may be a problem when grown under glass

Diseases

Powdery mildew may be a problem