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Liriope muscari AGM

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© RHS 2002

Characteristics

Plant type

Herbaceous Perennial

Habit

Clump-forming

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

Purple in Autumn

Foliage

Dark Green in Autumn, Spring, Summer and Winter

Fruit

Black in Autumn and Winter

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

big blue lilyturf

Family

Asparagaceae


Liriope are evergreen herbaceous perennials forming compact clumps or spreading patches of arching, linear leaves and dense spikes or racemes of small globose flowers, followed by black berries

L. muscari is an evergreen tuberous perennial forming a dense clump of narrow, arching, leathery, dark green leaves, with small violet-purple flowers carried in dense, erect spikes to 30cm in height in autumn, followed by black berries

Synonym(s)

  • Liriope graminifolia misapplied
  • Liriope platyphylla
  • Ophiopogon graminifolius

How to grow

Sunlight

  • Part shade
  • Full shade

Aspect

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

Cultivation

Grow in light, moderately fertile, preferably acid, moist but well-drained soil in partial or full shade; can tolerate drought once established. Shelter from cold, drying winds in frost-prone areas

Soil

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

Propagation

Propagate by seed sown in containers outdoors in spring or propagate by division in spring

Suggested planting locations and garden types

Banks and Slopes, City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Ground Cover, Patio/Container Plants or Underplanting of Roses and Shrubs


How to care

Pruning

Cut old leaves down to the ground in spring to encourage fresh foliage

Pests

Young growth is prone to slug damage

Diseases

Generally disease free