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Eucalyptus calophylla

red gum

Evergreen tree endemic to south west Western Australia, to 40m tall or more, with brown to grey-brown rough bark that exudes a rust-coloured sap. Broadly lance-shaped juvenile leaves are 12cm long, and adult leaves to 15cm long, both glossy green. Clusters of bristly cream flowers towards the end of summer are followed by large woody urn-shaped fruits 5cm long, which are an important food source for native birds

Other common names
red gum
Size
Ultimate height
Higher than 12 metres
Time to ultimate height
20–50 years
Ultimate spread
Wider than 8 metres
Growing conditions
Loam
Sand
Moisture
Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn White Green
Winter Green
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Sheltered
Hardiness
H3
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

Unresolved

How to grow

Cultivation

Outdoors grow in fertile, well-drained, neutral to acid soil in full sun with shelter from cold winds. Grow tender species outdoors in mild or frost-free counties only. See eucalyptus cultivation

Propagation

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

Suggested planting locations and garden types
  • Architectural
  • Mediterranean climate plants
  • Sub-tropical
Pruning

Pruning group 1, or for the best display of juvenile foliage use Pruning group 7. See Eucalyptus: pruning for more detailed advice

Pests

May be susceptible to eucalyptus gall wasp and eucalyptus sucker

Diseases

May be susceptible to silver leaf, oedema and honey fungus

Get involved

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