• 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

Acanthus mollis

bear's breech

  • Other common names bear's breech
    bear's breeches

    brank ursine
    common bear's breech
    soft-leaved bear's breech

    see more
  • Synonyms Acanthus lusitanicus hort.
    Acanthus spinosisimus Host

  • Genus Acanthus are robust herbaceous perennials with handsome, lobed foliage and tall, erect racemes of two-lipped flowers with colourful bracts

  • Family Acanthaceae / Acanthaceae

  • Details A. mollis is a vigorous plant with large, glossy dark green leaves, pinnately lobed and, in late summer, tall racemes of white flowers with dusky purple bracts

  • Plant range S Europe, NW Africa


  • Foliage Deciduous

  • Habit Columnar/Upright



  • Full Sun

  • Partial Shade

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

  • Exposure Exposed or Sheltered


  • Chalk


  • Chalk


  • Chalk


  • MoistureWell-drained

  • SoilLoam, Chalk, Sand

  • pHAcid, Alkaline, Neutral


  • Ultimate height

    1-1.5 metres

  • Ultimate spread

    1-1.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation The ideal soil is a deep, fertile, well-drained loam but it will grow in most soils and has good drought tolerance.

Propagation Propagate by division or by root cuttings

Suggested planting locations and garden types Drought Resistant Flower borders and beds Cut Flowers Low Maintenance Architectural Cottage & Informal Garden Mediterranean Climate Plants

How to care

Pruning Cut down old flower stems

Pests Generally pest free

Diseases Powdery mildews may be a problem

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