• 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

Ajuga reptans 'Catlin's Giant'

Bugle 'Catlin's Giant'

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
Bugle 'Catlin's Giant'

© � RHS 1999

  • Other common names Bugle 'Catlin's Giant'

  • Synonyms Ajuga reptans 'Macrophylla'
    Ajuga 'Catlins Giant'

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

  • Family Lamiaceae / Lamiaceae

  • Species 'Catlin's Giant' is a semi-evergreen perennial forming a mat of large, glossy purple-brown leaves and erect spikes up to 30cm in height, with blue flowers

Characteristics

  • Foliage Semi-evergreen

  • Habit Mat forming

  • Hardiness

    Hardiness ratings

    All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

    • H1a - Under glass all year (>15C)
    • H1b - Can be grown outside in the summer (10 - 15)
    • H1c - Can be grown outside in the summer (5 - 10)
    • H2 - Tolerant of low temperatures, but not surviving being frozen (1 to 5)
    • H3 - Hardy in coastal and relatively mild parts of the UK (-5 to 1)
    • H4 - Hardy through most of the UK (-10 to -5)
    • H5 - Hardy in most places throughout the UK even in severe winters (-15 to -10)
    • H6 - Hardy in all of UK and northern Europe (-20 to -15)
    • H7 - Hardy in the severest European continental climates (< -20)
    Old hardiness ratings

    While we update our systems with the new hardiness ratings you may still see old hardiness ratings in your search results. These are denoted as 'Old'.

    • H1 - Requires heated glass
    • H2 - Requires unheated glass
    • H3 - Hardy outside in some regions of the UK
    • H4 - Hardy throughout the UK
    • H1 + H3 - Requires heated glass but may be grown outside in summer

    For full details of the hardiness ratings see

    see more

    H7

Colour

Sunlight

  • Partial Shade

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

  • Exposure Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Chalk

  • Chalk

    Sand

  • Chalk

    Clay

  • MoistureMoist but well-drained

  • SoilLoam, Chalk, Sand, Clay

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height

    0.1-0.5 metres

  • Ultimate spread

    0.5-1 metres

  • Time to ultimate height

    2-5 years

How to grow

Cultivation Will tolerate any soil so long as there is some moisture, best in partial shade to prevent foliage scorching, but can also tolerate shade

Propagation Propagate by division, separating rooted stems

Suggested planting locations and garden types Ground Cover Flower borders and beds Banks and Slopes Low Maintenance Patio & Container Plants

How to care

Pruning No pruning required

Pests Generally pest free

Diseases May suffer from powdery mildews

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