• 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

Philodendron bipinnatifidum

Horsehead philodendron

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
Horsehead philodendron

© � RHS 2003

  • Other common names Horsehead philodendron
    Fiddle-leaf philodendron

    Panda plant

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  • Synonyms Philodendron selloum

  • Genus Philodendron can be shrubs, trees or climbers, with glossy, leathery, evergreen, simple to pinnately divided leaves, and tiny flowers borne within arum-like white, green or reddish spathes

  • Family Araceae / Araceae

  • Species P. bipinnatifidum is an evergreen shrub with long-stalked leaves to 1m in length, pinnately divided into narrow, undulate, dark green lobes. Purple and cream spathes 30cm in length appear occasionally

  • Plant range S America

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • Toxicity All parts may cause severe discomfort if ingested and the contact with the sap may irritate the skin or eyes

  • 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

    H1c

Colour

Sunlight

  • Partial Shade

  • Aspect South-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Loam

  • MoistureMoist but well-drained

  • SoilLoam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    2.5-4 metres

  • Ultimate spread

    2.5-4 metres

  • Time to ultimate height

    10-20 years

How to grow

Cultivation Grow under glass in a loam-based potting compost in bright filtered light with shade from hot sun, mist daily. When in growth water moderately and apply a balanced liquid fertilizer monthly. Water sparingly at other times

Propagation Propagate by seed surface sown at 19 to 24 �C in spring or layer in spring

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

How to care

Pruning Pruning group 11 in spring

Pests May be attacked by scale insects and glasshouse red spider mite

Diseases Generally disease free

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