• 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

Cyrtanthus elatus

Scarborough lily

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
Scarborough lily

© RHS

  • Other common names Scarborough lily
    George lily

    Knysna lily
    berglelie

    see more
  • Synonyms Amaryllis purpurea
    Cyrtanthus purpureus

    Cyrtanthus speciosus
    Vallota speciosa

    see more
  • Family Amaryllidaceae

  • Genus Cyrtanthus are bulbous perennials forming a clump of strap-shaped leaves with erect stems each bearing an umbel of large tubular or funnel-shaped flowers

  • Details C. elatus is a deciduous bulbous perennial, to 60cm in height, with strap-shaped basal leaves and stout, erect stems bearing up to nine funnel-shaped, scarlet flowers, each to 10cm in length

  • Plant range South Africa (Cape)

Characteristics

  • Foliage Deciduous

  • Habit Tufted

  • 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)

    H2

Colour

Sunlight

  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered

Soil

  • Chalk

    Chalk

  • Sand

    Sand

  • Loam

    Loam

  • MoistureWell-drained

  • SoilChalk, Sand, Loam

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 0.5-1 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow outdoors in humus-rich, well-drained soil in warm frost-free areas; plant bulbs at twice their depth. Grow under glass in loam-based potting compost with added leafmould and sand in bright filtered light but not direct sun; plant with the neck of bulb at soil level

Propagation Propagate by seed or remove offsets in spring

Suggested planting locations and garden types Wall-side Borders Sub-tropical Patio & Container Plants

How to care

Pruning No pruning required

Pests Generally pest free

Diseases Generally disease free

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