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Eucalyptus aggregata

black gum

An elegant, moderately fast growing evergreen tree, producing about 1-1.5m of new growth per year when established. Bark is deeply furrowed and brown or mid-grey. Long willow-like leaves are produced on branches that form an open, airy canopy. It is a useful subject for growing in boggy or dry soil conditions and reaches a mature height of 18m

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Size
Ultimate height
Higher than 12 metres
Time to ultimate height
10–20 years
Ultimate spread
Wider than 8 metres
Growing conditions
Loam
Sand
Clay
Moisture
Poorly–drained, Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green
Autumn Cream Green
Winter Cream Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Myrtaceae
Native to the UK
No
Foliage
Evergreen
Habit
Spreading branched
Genus

Eucalyptus are evergreen trees or large shrubs, often fast-growing, some with attractive bark, most with aromatic foliage, and clusters of small, white, yellow or red flowers

Name status

Correct

How to grow

Cultivation

Grow in fertile, well-drained, neutral to slightly acid soil, in full sun and sheltered from cold, drying winds. See eucalyptus cultivation

Propagation

Propagate by seed at 13-18°C in spring and summer

Suggested planting locations and garden types
  • Mediterranean climate plants
  • Architectural
  • Coastal
  • Cottage and informal garden
  • Hedging and screens
Pruning

Pruning group 1 or, for best juvenile foliage, pruning group 7 For more information see Eucalyptus: pruning

Pests

May be susceptible to eucalyptus gall wasp and eucalyptus sucker

Diseases

May be susceptible to silver leaf, oedema and honey fungus

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