• 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

Spathiphyllum wallisii

peace lily

  • Other common names peace lily
    white sails

  • Family Araceae

  • Genus Spathiphyllum are evergreen rhizomatous perennials with lance-shaped leaves and tiny white flowers borne in a dense spike within an ovate, white, hood-like spathe

  • Details S. wallisii is an evergreen perennial with erect, lance-shaped, glossy dark green leaves, and ovate white flowering spathes to 15cm in length, each with a slender cream spadix within

  • Plant range Colombia C America


  • Foliage Evergreen

  • Habit Clump-forming

  • Toxicity All parts may cause severe discomfort if ingested

  • 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)




  • Partial Shade

  • Aspect North-facing or East-facing or South-facing or West-facing

  • Exposure Sheltered


  • Chalk


  • Chalk


  • Chalk


  • MoistureMoist but well-drained

  • SoilLoam, Chalk, Sand

  • pHAcid, Alkaline, Neutral


  • 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 Under glass grow in partial shade. Flowering may suffer in deep shade. Use loam-based or loam-less compost. During growth, water and mist freely; maintain a high humidity. Apply a balanced liquid fertiliser monthly. Pot on when root growth has overfilled the container. Suitable as a houseplant. May be grown outdoors in frost free conditions

Propagation Propagate by division in winter or immediately after flowering

Suggested planting locations and garden types Low Maintenance Sub-tropical Patio & Container Plants

How to care

Pruning No pruning required

Pests Generally pest free

Diseases Generally disease free

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