• 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

Lamium maculatum 'White Nancy'

spotted deadnettle 'White Nancy'

spotted deadnettle 'White Nancy'

© RHS 1998

  • Other common names spotted deadnettle 'White Nancy'

  • Family Lamiaceae

  • Genus Lamium can be annuals or, more usually, perennials, with coarsely toothed ovate leaves and 2-lipped, tubular flowers borne in whorls forming a short spike

  • Details 'White Nancy' is a spreading perennial to 20cm in height, forming a wide mat of heart-shaped silvery leaves, narrowly edged with dark green. Two-lipped white flowers in clusters forming a short leafy spike


  • Foliage Deciduous

  • Habit Mat forming

  • 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

  • Full Shade

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

  • Exposure Sheltered


  • Clay


  • Loam


  • Chalk


  • Sand


  • MoistureWell-drained, Moist but well-drained

  • SoilClay, Loam, Chalk, Sand

  • pHAcid, Alkaline, Neutral


  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.5-1 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Best grown in moist but well-drained soil in a sheltered position in deep or partial shade

Propagation Propagate by division in autumn or early spring

Suggested planting locations and garden types Flower borders and beds Ground Cover Underplanting of Roses and Shrubs

How to care

Pruning After flowering, plants can be cut back to encourage fresh foliage cover

Pests Generally pest free

Diseases Generally disease free

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