• 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

Archontophoenix cunninghamiana

bangalow palm

bangalow palm

© RHS

  • Other common names bangalow palm
    Illawara palm

    piccabeen
    piccabben

    see more
  • Family Arecaceae

  • Genus Archontophoenix are single-stemmed evergreen palms with large pinnate leaves and large panicles or racemes of small cup-shaped flowers

  • Details A. cunninghamiana is a tree-like evergreen palm to 15m, with a single trunk and pinnate leaves to 4m long. Flowers small, lilac, in large racemes on mature trees, followed by red fruit

  • Plant range Eastern Australia

Characteristics

  • Foliage Evergreen

  • Habit Columnar/Upright

  • 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)

    H1B

Colour

Sunlight

  • Partial Shade

  • Aspect West-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Chalk

  • Chalk

    Loam

  • MoistureWell-drained

  • SoilSand, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height Higher than 12 metres

  • Ultimate spread 4-8 metres

  • Time to ultimate height 20-50 years

How to grow

Cultivation Under glass grow in loamless potting compost in bright filtered light with moderate humidity. When in growth, water moderately and apply a liquid fertilizer monthly; keep just moist in winter. Outdoors grow in fertile moist but well drained soil in part shade to prevent leaf scorch

Propagation Propagate by seed sown in spring at 24-27°C (75-81°F). Keep compost moist and air humid

Suggested planting locations and garden types Architectural

How to care

Pruning Minimal pruning required; remove dead leaves by cutting close to the leaf base leaving stubs to create a neat pattern

Pests Glasshouse red spider mite may be a problem under glass

Diseases Generally disease free

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