• AGM plants

    AGM plants have been through a rigourous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Hibiscus syriacus 'Lenny'

Rose mallow 'Lenny'

Rose mallow 'Lenny'

© � RHS 1998

  • Other common names Rose mallow 'Lenny'

  • Genus 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

  • Family Malvaceae / Malvaceae

  • Species 'Lenny' is a bushy deciduous shrub with dark green, diamond-shaped simple or lobed leaves and single, pale mauve flowers to 12cm across

Characteristics

  • Foliage Deciduous

  • Habit Bushy

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Clay

  • Chalk

    Chalk

  • Chalk

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAlkaline, Neutral

Size

  • Ultimate height

    1.5-2.5 metres

  • Ultimate spread

    1-1.5 metres

  • Time to ultimate height

    10-20 years

How to grow

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

Propagation Propagate by semi-hardwood cuttings

Suggested planting locations and garden types Flower borders and beds Hedging & Screens Wall-side Borders City & Courtyard Gardens Coastal Cottage & Informal Garden Patio & Container Plants

How to care

Pruning Pruning group 1

Pests Aphids, mealybugs and thrips may be a problem

Diseases Powdery mildews may be a problem

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