× Cuprocyparis leylandii 'Castlewellan'
Leyland cypress 'Castlewellan'
A vigorous columnar evergreen conifer to 25m or more, with flat sprays of golden-yellow foliage, sometimes tinged bronze
Synonyms
× Cupressocyparis leylandii 'Castlewellan Gold'× Cupressocyparis 'Castlewellan Gold'
see more× Cupressocyparis leylandii 'Castlewellan'
× Cupressocyparis leylandii 'Galway Gold'
× Cuprocyparis leylandii 'Galway Gold'
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Size
Ultimate height
Higher than 12 metresTime to ultimate height
10–20 yearsUltimate spread
2.5–4 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Bronze Yellow | |||
---|---|---|---|---|
Summer | Bronze Yellow | |||
Autumn | Bronze Yellow | |||
Winter | Bronze Yellow |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Cupressaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Columnar upright
- Potentially harmful
- Skin allergen. Wear gloves and other protective equipment when handling Pets (dogs): Skin allergen - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Cuprocyparis are large, very fast-growing evergreen trees of narrowly conical or columnar habit, with tiny scale-like leaves in dense sprays, and small spherical cones
- Name status
Accepted
How to grow
Cultivation
Grow in well-drained soil in full sun or part shade. Suitable for hedging but requires regular trimming. Fast growing with the potential to become a nuisance
Propagation
Propagate by semi-hardwood cuttings
Suggested planting locations and garden types
- Architectural
- Hedging and screens
Pruning
Trim and shape as required, as long as cuts are confined to young green shoots. Old wood will not resprout. Trim hedges two or three times in the growing season. See Leyland cypress: pruning for further advice
Pests
May be susceptible to conifer aphid and scale insects
Diseases
May be susceptible to a bacterial canker and honey fungus; see Conifers: brown patches
Get involved
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