Thuja plicata 'Irish Gold' (v)

RHS Plant Profile
western red cedar 'Irish Gold'

Save a plant

Where do you want to save Thuja plicata 'Irish Gold' (v)?

Plants I own
Wishlist
Go to My Plants
western red cedar 'Irish Gold' RHS 1999
western red cedar 'Irish Gold' visionspictures.com
western red cedar 'Irish Gold' visionspictures.com

Synonyms

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

Conifers
Buy this from Plant Nurseries
1 Suppliers

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

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

8-12 metres

Max Spread

4-8 metres

Size

Time to Maturity
20–50 years
Max Spread
4-8 metres
Max Height
8-12 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
West–facing or South–facing or East–facing
Exposure
Exposed or Sheltered
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)
H6

Colour & Scent

Fragrance Foliage
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Cupressaceae
Native to GB/Ireland
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Harmful if eatenskin allergen. Wear gloves and other protective equipment when handling
Genus
Thuja are fast-growing evergreen trees of narrowly conical habit, with flat sprays of tiny, aromatic, scale-like leaves and small knobbly cones
Name Status
Unresolved

How to Grow

Cultivation

Grow in moist but well-drained soil in full sun with shelter from cold, drying winds. See conifer cultivation for further advice

Propagation

Propagate by semi-ripe cuttings in late summer

Suggested planting locations and garden types

  • Architectural
  • Cottage and informal garden
  • Low Maintenance
  • Hedging and screens

Pruning

No pruning required; trim hedges in spring and late summer

Pests

May be susceptible to scale insects and conifer aphid

Diseases

May be susceptible to diseases including honey fungus, Phytophthora root rot and thuja blight. See conifers: brown patches for further advice