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Acacia pycnantha

Mimosa

Garden

Wishlist

  • Acacia pycnantha | Copyright Greenplantswap 2017

Features

  • BloomsApril to July
  • Height5m to 8m
  • Growth HabitUpright arching
  • Flower ColourGolden yellow
  • Leaf ColourDark green

Description

Acacia pycnantha (Mimosa). This species of wattle was made the floral emblem of Australia in 1988 and 'National Wattle Day' falls on the 1st of September. It has dark green bipinnate, sickle shaped phyllodes (flattened leaf-stalks). The flowers are produced in axillary racemes of golden-yellow, spherical blooms.

Characteristics

Deciduous or Semi-evergreen, Tree

Other common names

Golden wattle

Origin

Australia

Interest and use

The wood is mainly used for fuel, and the bark for tannins (this is the wattle with the highest tannin level in the bark). In humid areas, the flowers are useful for bee forage and also used for in the perfume industry. The gum is eaten by indigenous Australians. Used as a windbreak and to prevent erosion.

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  • Acacia pycnantha | Copyright Greenplantswap 2017

Needs

  • LightFull sun
  • HardinessHalf hardy (min 0°C)
  • SoilWell drained, Fertile
  • Soil pH5.0 to 8.0
  • WaterSemi-moist or Dry

Cultivation

When grown under glass, grow in a loam-based compost with full light. When grown outdoors, grow in a moderately fertile soil with full sun and a little shelter. This plant is naturally found as an understory plant in Eucalyptus forests in arid areas, in shallow soils.

Propagation

You can sow the seeds in the spring, or root the semi-ripe cuttings in the early summer. Seeds need soaking in hot water to germinate.

Pests, diseases or disorders

Watch out for red spider mites. Prone to gall wasp attack.

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