• AGM plants

    AGM plants have been through a rigourous 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

Carex buchananii

Leatherleaf sedge

Leatherleaf sedge

© � RHS 2003

  • Other common names Leatherleaf sedge

  • Synonyms Carex 'Buchanni'

  • Genus Carex can be deciduous or evergreen, rhizomatous or tufted perennials, with triangular stems bearing linear or strap-shaped leaves and short or long spikes of tiny green or brown flowers

  • Family Cyperaceae / Cyperaceae

  • Species C. buchananii is a tufted perennial to 75cm, with narrow, evergreen, orange-brown, arching leaves with curling tips, and brown flowering spikes in late summer

  • Plant range New Zealand


  • Foliage Evergreen

  • Habit Clump-forming



  • Full Sun

  • Partial Shade

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

  • Exposure Sheltered


  • Chalk


  • Chalk


  • Chalk


  • Chalk


  • MoistureWell-drained, Moist but well-drained

  • SoilSand, Chalk, Loam, Clay

  • pHAcid, Alkaline, Neutral


  • Ultimate height

    0.5-1 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Easy to grow in most well-drained fertile soils. Will not tolerate excessive winter wet and avoid extremes of wet and dry

Propagation Propagate by seed sown in containers in a cold frame in spring or by division in early summer

Suggested planting locations and garden types Banks and Slopes Flower borders and beds Ground Cover Low Maintenance Coastal Cottage & Informal Garden Patio & Container Plants Prairie Planting Gravel Garden

How to care

Pruning In summer cut out any dead leaves

Pests Susceptible to damage from aphids

Diseases Generally disease free

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