• 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

Arthropodium cirratum

rock lily

  • Other common names rock lily
    New Zealand fringed lily

    Rienga lily

    see more
  • Family Asparagaceae

  • Genus Arthropodium are rhizomatous perennials with evergreen or deciduous linear to lance-shaped leaves and panicles or racemes of small, star-shaped flowers

  • Details A. cirratum is an evergreen perennial forming a clump of glossy, narrowly lance-shaped leaves, grey-green on the lower surface, with loose sprays of small, starry white flowers in early summer

  • Plant range New Zealand


  • Foliage Evergreen

  • Habit Suckering

  • 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)




  • Full Sun

  • Aspect South-facing or West-facing

  • Exposure Sheltered


  • Loam


  • Sand


  • MoistureWell-drained

  • SoilLoam, Sand

  • pHAcid, Neutral


  • 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 in fertile well-drained soil in full sun; best grown at the base of a warm sunny wall in frost-prone areas. Under glass grow in loam based potting compost (JI No.2) with added sharp sand, in full light. Water moderately in growth and apply liquid fertiliser monthly and water sparingly in winter

Propagation Propagate by seed in containers in a cold frame in autumn or early spring. Divide in spring. Overwinter young plants under glass

Suggested planting locations and garden types Wall-side Borders Underplanting of Roses and Shrubs City & Courtyard Gardens

How to care

Pruning No pruning required

Pests New growth is particularly vulnerable to slugs and snails

Diseases Generally disease free

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