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Cedrus atlantica Glauca Group

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© RHS

Characteristics

Plant type

Tree or Conifer

Habit

Spreading / Branched

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Foliage

Blue, Green and Grey/Silver in Autumn, Spring, Summer and Winter

Fruit

Brown and Purple in Autumn, Spring, Summer and Winter

Size

Ultimate height

Higher than 12 metres

Ultimate spread

wider than 8 metres

Time to ultimate height

20-50 years


Preferred common name

Atlas cedar

Family

Pinaceae


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

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

Synonym(s)

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

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

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

Soil

  • Well-drained
  • Acid, Alkaline or Neutral
  • Chalk, Clay, Sand or Loam

Propagation

Propagate by seed or semi-hardwood cuttings

Suggested planting locations and garden types

Architectural or Low Maintenance


How to care

Pruning

No pruning required

Pests

Can get aphids

Diseases

Generally disease free but susceptible to honey fungus