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Ajuga reptans

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© RHS 1999

Characteristics

Plant type

Herbaceous Perennial

Habit

Mat forming

Origin

Native to the UK

Resilience

Hardiness

old H4 (hardy)

Colour

Flower

Dark Blue in Spring and Summer

Foliage

Dark Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

2-5 years


Preferred common name

bugle

Family

Lamiaceae


Ajuga are mostly spreading, rhizomatous perennials with attractive evergreen foliage, rarely annuals, with whorled two-lipped flowers forming short spikes

A. reptans is a spreading stoloniferous perennial to 15cm in height, forming a wide mat of dark green obovate leaves, with erect spikes of dark blue flowers in late spring and early summer

Other common names

  • brown bugle
  • carpenter's herb
  • middle compound
  • middle consound
  • yellow bugle

Synonym(s)

  • Ajuga repens

How to grow

Sunlight

  • Part shade

Aspect

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

Cultivation

Good ground cover plant, although may be considered invasive. Will scorch in full sun. Will tolerate poor soils

Soil

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

Propagation

Propagate by division, separating rooted stems

Suggested planting locations and garden types

Cottage/Informal Garden, Banks and Slopes, Low Maintenance, Flower borders and beds, Ground Cover, Wildflower meadow or Wildlife Gardens


How to care

Pruning

No pruning required

Pests

Generally pest free

Diseases

May suffer from powdery mildews