• AGM plants

    AGM plants have been through a rigorous 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

Clianthus puniceus 'Roseus'

lobster claw 'Roseus'

AGM plants

AGM plants have been through a rigorous 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
lobster claw 'Roseus'

© RHS

  • Other common names lobster claw 'Roseus'

  • Synonyms Clianthus maximus 'Flamingo'
    Clianthus maximus 'Roseus'

    Clianthus puniceus 'Flamingo'
    Clianthus puniceus 'Pink Flamingo'
    Clianthus 'Roseus'

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  • Family Papilionaceae

  • Genus Clianthus are evergreen, scrambling shrubs with pinnate leaves and spectacular claw-like flowers in spring and summer

  • Details 'Roseus' is an evergreen shrub with climbing stems up to 4m high, dark green pinnate leaves up to 15cm long and made up of 13 to 25 leaflets. Hanging clusters of up to 15 deep pink, claw-like flowers, each 7cm long, appear in late spring and early summer

Characteristics

  • Foliage Evergreen

  • Habit Climbing

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)

    H3

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Loam

    Loam

  • Sand

    Sand

  • MoistureWell-drained

  • SoilLoam, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 2.5-4 metres

  • Ultimate spread 2.5-4 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Grow in well-drained soil in full sun on trellis, wires or other supports, and in a sheltered position such as a south-facing or west-facing wall, or under glass; use a thick dry mulch to protect the roots over winter

Propagation Propagate by semi-ripe cuttings in summer

Suggested planting locations and garden types Wall-side Borders Coastal Sub-tropical City & Courtyard Gardens Cottage & Informal Garden

How to care

Pruning Pruning group 13; in early summer, after flowering, remove deadwood, and cut back flowered shoots by up to a third, to establish next year's flowering framework

Pests May be affected by glasshouse red spider mite and mealybugs

Diseases Generally disease free

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