• 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

Elymus magellanicus

Magellan rye grass

Magellan rye grass

© � RHS 2002

  • Other common names Magellan rye grass
    Magellan wheatgrass

    Blue wheatgrass

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  • Synonyms Agropyron magellanicum
    Agropyron pubiflorum

    Leymus magellanicus

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  • Genus Elymus can be tufted or rhizomatous perennial grasses, with linear, deciduous leaves, sometimes attractively coloured, and flattened flower spikes in summer and autumn

  • Family Poaceae / Poaceae

  • Species E. magellanicus is a tufted deciduous grass to 15cm in height, forming a dense clump of vivid blue linear leaves to 5cm in length, with small, lax flower spikes in summer

  • Plant range South America


  • Foliage Deciduous

  • Habit Tufted



  • Full Sun

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

  • Exposure Exposed or Sheltered


  • Chalk


  • Chalk


  • Chalk


  • Chalk


  • MoistureWell-drained, Moist but well-drained

  • SoilLoam, Chalk, Sand, Clay

  • pHAcid, Neutral


  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    0.1-0.5 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Easy to grow in most moist, well-drained fertile soils in full sun

Propagation Propagate by seed sown in situ in spring or autumn or by division in early summer

Suggested planting locations and garden types Flower borders and beds Low Maintenance City & Courtyard Gardens Cottage & Informal Garden Patio & Container Plants Rock Garden

How to care

Pruning Cut back to ground level in late autumn

Pests Generally pest free

Diseases May be affected by rust and powdery mildews

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