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Thuja plicata 'Irish Gold' (v)

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© RHS 1999

Characteristics

Plant type

Tree or Conifer

Habit

Bushy

Fragrance

Leaf

Toxicity

Contact with foliage may irritate the skin

Resilience

Hardiness

H6 (hardy - very cold winter)

Colour

Foliage

Green and Yellow in Autumn, Spring, Summer and Winter

Size

Ultimate height

8-12 metres

Ultimate spread

2.5-4 metres

Time to ultimate height

20-50 years


Preferred common name

western red cedar 'Irish Gold'

Family

Cupressaceae


Thuja are fast-growing evergreen trees of narrowly conical habit, with flat sprays of tiny, aromatic, scale-like leaves and small knobbly cones

'Irish Gold' is a broadly conical evergreen conifer making a small tree with drooping sprays of rich green foliage heavily flecked and banded with yellow

Synonym(s)

  • Thuja plicata 'Extra Gold'
  • Thuja plicata 'Zebrina Extra Gold'
  • Thuja 'Extra Gold'

How to grow

Sunlight

  • Full sun

Aspect

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

Cultivation

Grow in moist but well-drained soil. Protect from drying winds especially when young. Suitable for hedging or screening

Soil

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

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

Architectural, Hedging/Screens or Low Maintenance


How to care

Pruning

No pruning required

Pests

May be attacked by scale insects

Diseases

May be subject to a canker