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Liquidambar styraciflua 'Corky'

sweet gum 'Corky'

'Corky' is an upright, narrowly pyramidal, deciduous, small to medium-sized tree up to 12m tall with deeply lobed, glossy green leaves that turn crimson red in autumn. Very pronounced wing-like, corky projections on the stems and bark are a feature of established trees. Inconspicuous greenish flowers may be followed by burr-like fruit, 2-4cm across, that stay on the tree through winter

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

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Hamamelidaceae
Native to the UK
No
Foliage
Deciduous
Habit
Bushy
Genus

Liquidambar are deciduous trees grown for their alternate, maple-like leaves which take on brilliant and long-lasting autumn colour; flowers and fruits are inconspicuous

Name status

Not established

How to grow

Cultivation

Grow in moist but well-drained neutral to acid, moderately fertile soil, in full sun or partial shade. Suitable for woodlands or as a specimen tree. Full sun brings out the best autumn colour - see tree cultivation

Propagation

Propagate by semi-hardwood cuttings

Suggested planting locations and garden types
  • Cottage and informal garden
Pruning

Pruning group 1

Pests

Generally pest-free

Diseases

May be susceptible to honey fungus

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