• 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

Nerine undulata (Flexuosa Group) 'Alba'

nerine 'Alba'

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
nerine 'Alba'

© Christopher Whitehouse

  • Other common names nerine 'Alba'

  • Synonyms Nerine flexuosa 'Alba'
    Nerine undulata 'Alba'

  • Family Amaryllidaceae

  • Genus Nerine are summer-dormant, perennial bulbs with erect leafless stems each bearing a terminal umbel of funnel-shaped flowers in autumn, and strap-shaped or linear leaves appearing after the flowers

  • Details 'Alba' is a perennial bulb producing white, lily-like flowers in small clusters at the end of stout stems in late autumn. The petals have wavy edges and are curved outwards. Narrow, strap-shaped leaves follow the flowers

Characteristics

  • Foliage Deciduous

  • Habit Clump-forming

  • Toxicity May cause mild stomach upset if eaten

  • 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

  • Clay

    Clay

  • Chalk

    Chalk

  • Loam

    Loam

  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Clay, Chalk, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 5-10 years

How to grow

Cultivation Plant in early spring in a moderately fertile, well-drained soil. Protect in colder areas with a deep, dry mulch over winter or grow in containers in a frost-free greenhouse. See also nerine cultivation

Propagation Propagate by division after flowering

Suggested planting locations and garden types Flower borders and beds Cut Flowers Wall-side Borders City & Courtyard Gardens Coastal Cottage & Informal Garden Gravel Garden Mediterranean Climate Plants Patio & Container Plants

How to care

Pruning No pruning required

Pests Slugs may be a problem

Diseases Generally disease free

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