• 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

Colocasia esculenta

taro

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
  • Other common names taro
    aivi

    bleeding heart
    cocoyam
    dasheen
    eddo
    Egyptian ginger
    elephant ears
    imo
    kalo
    keladi
    talas
    callaloo
    dalo

    see more
  • Synonyms Colocasia antiquorum

  • Family Araceae

  • Genus Colocasia can be deciduous or evergreen, tuberous-rooted perennials with arrow-shaped or rounded leaves, often prominently veined; flowers are minute, on a spadix held within a small white spathe, but are seldom produced in cultivation

  • Details C. esculenta is a tuberous, evergreen perennial to 1.5m in height, with long-stalked, heart-shaped or arrow-shaped, rich-green leaves with 60cm blades on metre-long stalks. Grown as a staple food in tropical Asia

  • Plant range Trop. E Asia

Characteristics

  • Foliage Evergreen

  • Habit Clump-forming

  • Toxicity All parts poisonous if eaten uncooked, and may irritate skin

  • 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 South-facing or West-facing or East-facing or North-facing

  • Exposure Sheltered

Soil

  • Moisture

  • Soil

  • pHAcid, Neutral

Size

  • Ultimate height 1-1.5 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Under glass, pot up tubers in loamless potting compost. Keep in bright, filtered light and high humidity. Water freely and apply a balanced liquid fertiliser monthly when in growth. Keep just moist in winter. Keep tubers dry and frost-free when dormant. Requires 21°C minimum to stay evergreen

Propagation Propagate by division in winter

Suggested planting locations and garden types Architectural Patio & Container Plants

How to care

Pruning No pruning necessary

Pests Glasshouse red spider mite, aphids and glasshouse whitefly may cause problems

Diseases Generally trouble free

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