• 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

Dracaena marginata (v)

Madagascar dragon tree

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 Madagascar dragon tree

  • Family Asparagaceae

  • Genus Dracaena are evergreen trees, the few branches bearing linear to lance-shaped leaves often crowded towards the tips; on mature plants, small greenish-white flowers may be followed by orange or red berries

  • Details D. marginata is an erect evergreen shrub to 4m, with long, sword-shaped, recurved, dark green leaves, finely edged reddish-brown

  • Plant range Madagascar

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • 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

  • Full Sun

  • Aspect South-facing or West-facing or East-facing

  • Exposure

Soil

  • Loam

    Loam

  • MoistureWell-drained

  • SoilLoam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 2.5-4 metres

  • Ultimate spread 1.5-2.5 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation In frost prone areas grow under glass in a well-drained loam based compost (JI No3). Provide full light with some protection from hot, direct sunlight

Propagation Propagate by seed at 18-21C or (64- 70F) or from semi-ripe and hardwood cuttings with bottom heat in summer

Suggested planting locations and garden types Patio & Container Plants

How to care

Pruning Requires little regular pruning, although weak stems may be shortened to 15cm (6in) in spring

Pests Susceptible to glasshouse red spider mite, thrips and scale insects when grown under glass

Diseases Generally trouble free

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