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Acacia salicina

Cooba

Garden

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Features

  • BloomsJanuary to May
  • Height5m to 10m
  • Spread3m to 6m
  • Growth HabitIrregular bushy
  • Flower ColourGreen-yellow to cream
  • Leaf ColourGrey-green

Description

Acacia salicina (Cooba). This is a thornless Acacia tree with an upright, weeping habit. It produces many racemes of green-yellow to cream flowers. The phyllodes are grey-green and the mature bark of the tree is grey-brown.

Characteristics

Deciduous or Semi-evergreen, Fragrant

Origin

E. Australia

Interest and use

Grown for its habit, as well as for fuel, joinery, and to prevent riverbank erosion. Also used for bee forage. Seeds are eaten by indigenous Australians and the bark is used to tan hides, in traditional medicine and for fish poisen.

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Needs

  • LightFull sun
  • HardinessHalf hardy (min 0°C)
  • SoilHeavy, Well drained, Medium
  • Soil pH5.5 to 8.0
  • WaterDry

Cultivation

This crop has an minimum optimum growing temperature of 24C and a maximum optimum growing temperature of 30C. Requires staking until it has developed a strong framework. Tolerates drought and mild waterlogging, high salinity and high akalinity.

Propagation

By seed (seeds need to be scarified and this is usually done with weak dilutions of sulphuric acid on a commercial basis, but can be done using hot water, or by filing or nicking the seed coats.)

Pests, diseases or disorders

Red spider mite, scale insects and mealy bug.

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