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Elymus magellanicus

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© RHS 2002

Characteristics

Plant type

Grass-like

Habit

Tufted

Resilience

Hardiness

old H4 (hardy)

Colour

Flower

Pale Green in Summer

Foliage

Blue and Grey/Silver in Autumn, Spring and Summer

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years


Preferred common name

Magellan rye grass

Family

Poaceae


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

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

Other common names

  • blue wheatgrass
  • Magellan wheatgrass

Synonym(s)

  • Agropyron magellanicum
  • Agropyron pubiflorum
  • Leymus magellanicus

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing, North-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

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

Soil

  • Well-drained or Moist but well-drained
  • Acid or Neutral
  • Loam, Chalk, Sand or Clay

Propagation

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

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Low Maintenance, Patio/Container Plants or 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