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Grass LikeHerbaceous Perennial

Ophiopogon japonicus

mondo grass

Evergreen, rhizomatous perennial about 30cm tall, producing slowly spreading clumps of tough, narrow, linear, dark green leaves, and bearing short racemes to 8cm tall of small, bell-shaped, white or lilac-tinged flowers, in summer, followed by spherical blue-black berries

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Purple Green
Autumn Green Blue Black
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Asparagaceae
Native to GB / Ireland
No
Foliage
Evergreen
Habit
Clump forming
Genus

Ophiopogon are rhizomatous or tufted evergreen perennials forming clumps of leathery, narrowly strap-shaped leaves, with racemes of small bell-shaped white or mauve flowers on leafless stems in summer, followed by glossy black berries

Name status

Correct

Plant range
E Asia, Philippines

How to grow

Cultivation

Grow in moist but well-drained soil, slightly acid, fertile, humus-rich soil in full sun or partial shade

Propagation

Propagate by division in spring as growth resumes, or propagate by seed as soon as ripe

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Patio and container plants
  • Rock garden
  • Low Maintenance
  • Flower borders and beds
  • Garden edging
  • Ground cover
  • Underplanting of roses and shrubs
Pruning

No pruning required

Pests

May be susceptible to damage from slugs

Diseases

Generally disease-free

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