• AGM plants

    AGM plants have been through a rigorous 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

Abies lasiocarpa var. arizonica 'Compacta' Hornibr.

compact corkbark fir

AGM plants

AGM plants have been through a rigorous 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
compact corkbark fir

© RHS

  • Other common names compact corkbark fir

  • Synonyms Abies arizonica 'Compacta'
    Abies lasiocarpa 'Arizonica Compacta'

  • Family Pinaceae

  • Genus Abies are evergreen conifers, often very tall, with whorled branches bearing flattened, linear leaves, often whitish beneath, and on the upper branches, large cones which break up whilst attached to the tree

  • Details 'Compacta' is a low-growing evergreen conifer making a bushy medium-sized shrub with a broadly conical crown, bright blue-grey foliage and purple young cones are produced occasionally by this cultivar

Characteristics

  • Foliage Evergreen

  • Habit Bushy

  • 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)

    H7

Colour

Sunlight

  • Full Sun

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

  • Exposure Sheltered

Soil

  • Chalk

    Loam

  • Chalk

    Clay

  • Chalk

    Sand

  • MoistureMoist but well-drained

  • SoilLoam, Clay, Sand

  • pHAcid, Neutral

Size

  • Ultimate height 2.5-4 metres

  • Ultimate spread 1.5-2.5 metres

  • Time to ultimate height 10-20 years

How to grow

Cultivation Grow in moist but well-drained slightly acidic soil. Slow growing.

Propagation Propagate by seed or grafting

Suggested planting locations and garden types Low Maintenance Architectural City & Courtyard Gardens Rock Garden Gravel Garden Patio & Container Plants

How to care

Pruning No pruning required

Pests Can get aphids and adelgids

Diseases Generally disease free

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