Skip to site navigation

× Cuprocyparis leylandii

Home  |  Plants > Plant Selector > × Cuprocyparis leylandii

© RHS 2003

Characteristics

Plant type

Tree or Conifer

Habit

Columnar/Upright

Toxicity

Foliage may cause skin irritation

Resilience

Hardiness

old H4 (hardy)

Colour

Foliage

Dark Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

Higher than 12 metres

Ultimate spread

2.5-4 metres

Time to ultimate height

10-20 years


Preferred common name

Leyland cypress

Family

Cupressaceae


× 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

x Cuprocyparis leylandii is a very fast-growing evergreen tree to 35m, flame-shaped in outline, with small dark green scale leaves in flat sprays

Synonym(s)

  • Callitropsis × leylandii
  • Chamaecyparis × leylandii
  • Cupressus × leylandii
  • × Cupressocyparis leylandii
  • × Hesperotropsis leylandii

How to grow

Sunlight

  • Full sun
  • Part shade

Aspect

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

Cultivation

Grow in well-drained soil. Suitable for hedging but requires regular trimming. Fast growing

Soil

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

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types

Architectural or Hedging/Screens


How to care

Pruning

No pruning required, but can be trimmed and shaped as required as long as cuts are confined to young green shoots. Old wood will not resprout

Pests

Can get conifer aphids and scale insects

Diseases

May be subject to a canker