• 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 baccata

banana yucca

banana yucca

© RHS

  • Other common names banana yucca
    blue yucca

    datil
    Spanish bayonet

    see more
  • 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 Y. baccata is a slow-growing, evergreen shrub to 1.6m tall usually seen in cultivation with a single crown of leaves; a small trunk may form as the plant ages. The blue-green, sword-shaped leaves 30-100cm long are tipped with a sharp point, curve inwards and edged with small threads. Spikes of creamy-white, bell-shaped flowers sometimes shaded purple-red are borne above the foliage in summer and may be followed by edible, banana-shaped fruit

  • Plant range SW USA, New Mex.

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)

    H3

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Sand

    Sand

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureWell-drained

  • SoilSand, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1.5-2.5 metres

  • Ultimate spread 1.5-2.5 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grow in very well drained soil in full sun; protect from excessive winter rainfall

Propagation Propagate by seed or remove rooted suckers

Suggested planting locations and garden types Low Maintenance Architectural City & Courtyard Gardens Patio & Container Plants Gravel Garden

How to care

Pruning No pruning required, but dead leaves and spent flower spikes can be removed to improve appearance

Pests Generally trouble free

Diseases May be subject to a leaf spot

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