• 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

Monstera deliciosa (F)

Swiss cheese plant

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
Swiss cheese plant

© � RHS 2003

  • Other common names Swiss cheese plant
    Ceriman

    Custard plant
    Indian ivy
    Fruit salad plant
    Mexican breadfruit
    Monstera

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  • Genus Monstera are evergreen climbing shrubs with aerial roots, and usually ovate leaves which are often pinnately cut or lobed; arum-like flowerheads with white spathes arise from the leaf axils on mature plants

  • Family Araceae / Araceae

  • Species M. deliciosa is an evergreen shrub to 5m or more, climbing by aerial roots, with heart-shaped, pinnatisect and often perforated, glossy deep green leaves to 90cm; flower spathes 30cm, white, followed by cone-like cream fruit

  • Plant range Mexico to Panama

Characteristics

  • Foliage Evergreen

  • Habit Climbing

  • Toxicity Ingestion may cause severe discomfort

  • 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)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H1b

Colour

Sunlight

  • Partial Shade

  • Aspect South-facing

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Chalk

    Clay

  • Chalk

    Sand

  • Chalk

    Loam

  • MoistureMoist but well-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    4-8 metres

  • Ultimate spread

    1.5-2.5 metres

  • Time to ultimate height

    10-20 years

How to grow

Cultivation Grow outdoors in humus-rich, moist but well-drained soil in partial shade in a sheltered frost-free area. Grow under glass in loam-based compost in bright indirect light with moderate to high humidity

Propagation Propagate by seed, root tip or leaf cuttings or by layering in summer

Suggested planting locations and garden types Low Maintenance Sub-tropical Patio & Container Plants

How to care

Pruning Pruning group 11

Pests May be attacked by glasshouse red spider mite, thrips, mealybugs and scale insects under glass

Diseases Generally disease free

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