• 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

Yucca flaccida 'Ivory'

needle palm 'Ivory'

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 needle palm 'Ivory'

  • Synonyms Yucca flaccida 'Ivory Tower'
    Yucca gloriosa 'Ivory Tower'

  • Family Asparagaceae

  • Genus Yucca can be evergreen perennials, shrubs or trees, with dense or loose rosettes of stiff, sword-shaped leaves and tall panicles of bell-shaped flowers

  • Details 'Ivory' is a small, stemless evergreen shrub forming a clump of dark green, sword-shaped leaves tending to droop at the tips. Bell-shaped, creamy-white flowers 6cm in length, are borne freely in erect panicles to 1.2m in height

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)

    H5

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or East-facing

  • Exposure Sheltered or Exposed

Soil

  • Loam

    Loam

  • Sand

    Sand

  • MoistureWell-drained

  • SoilLoam, Sand

  • pHAcid, Neutral, Alkaline

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 1-1.5 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Easy to grow in sheltered, well-drained beds, where there is full sun all day

Propagation Propagate by bud cuttings which are treated as softwood cuttings or take stem cuttings which are treated as hardwood cuttings. Root cuttings can also be used. Division of clumps is also possible

Suggested planting locations and garden types Drought Resistant Architectural City & Courtyard Gardens Mediterranean Climate Plants Patio & Container Plants

How to care

Pruning Pruning not normally needed, but damaged leaves and spent flower spikes can be removed as necessary in the spring

Pests Flowers may be attacked by aphids; snails eat the foliage

Diseases May be affected by a leaf spot

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