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Ilex × altaclerensis

Highclere holly

A variable hybrid forming anything from medium or large evergreen shrubs to small or medium-sized trees up to around 15m in height. Leaves are usually glossy and with few, if any, spines. Orange to red berries may be borne on female plants. Many cultivars of this hybrid are excellent for use as tall hedges or screens and are resistant to pollution and able to withstand coastal exposure

Size
Ultimate height
Higher than 12 metres
Time to ultimate height
20–50 years
Ultimate spread
4–8 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Cream White Green
Summer Cream White Green
Autumn Green Orange Red
Winter Green Orange Red
Position
  • Full sun
  • Partial shade
Aspect

North–facing or South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Aquifoliaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Potentially harmful
Berries may cause mild stomach upset if ingested. Wear gloves and wash hands after handling
Genus

Ilex can be deciduous or evergreen shrubs and trees with often spiny leaves, small white flowers (male and female usually on separate plants) and, on female plants, showy berries in autumn

Name status

Correct

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How to grow

Cultivation

Grows best in a well-drained soil in a sunny position

Propagation

Propagate by seed or semi-hardwood cuttings

Suggested planting locations and garden types
  • Architectural
  • Coastal
  • Hedging and screens
Pruning

Pruning group 1; cut hedges annually in late summer

Pests

Aphids, scale insects and holly leaf miner may be a problem

Diseases

May be affected by holly leaf blight or Phytophthora root diseases

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