• 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

Cedrus atlantica Glauca Group

blue Atlas cedar

blue Atlas cedar


  • Other common names blue Atlas cedar

  • Synonyms Cedrus atlantica var. glauca
    Cedrus libani subsp. atlantica 'Glauca'

    Cedrus libani subsp. atlantica Glauca Group

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  • Family Pinaceae

  • Genus Cedrus are large evergreen trees with needle-like leaves arranged spirally on young shoots, and in whorls on short spur-like side-shoots; ovoid cones break up to release the seeds while still attached to the tree

  • Details Glauca Group are large evergreen conifers, at first conical, later developing a broad crown, with spreading branches bearing silvery blue-green needles to 2.5cm, long, and ovoid cones to 9cm. Variable, and good blue-leaved forms should be sought


  • Foliage Evergreen

  • Habit Spreading / Branched

  • 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)




  • Full Sun

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

  • Exposure Exposed or Sheltered


  • Chalk


  • Chalk


  • Chalk


  • Chalk


  • MoistureWell-drained

  • SoilChalk, Clay, Sand, Loam

  • pHAcid, Alkaline, Neutral


  • Ultimate height Higher than 12 metres

  • Ultimate spread wider than 8 metres

  • Time to ultimate height 20-50 years

How to grow

Cultivation Good specimen tree but needs space to reach full potential. Grow in any well-drained soil

Propagation Propagate by seed or semi-hardwood cuttings

Suggested planting locations and garden types Low Maintenance Architectural

How to care

Pruning No pruning required

Pests Can get aphids

Diseases Generally disease free but susceptible to honey fungus

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