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Gahnia aspera

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Common name(s): Saw-sedge. Sword grass

Gahnia aspera is a tufted perennial and a tussock grass.  Known as Saw-sedge due to the very rough underside of the leaves, which if not handled with care can inflict deep cuts. Leaves are 80cm long with one metre flowering stems. Flowers are cream and carried in dense terminal clusters. The flowers are followed by nuts that are brownish red to bright shiny red.

The nuts are an attractive feature of Gahnia aspera, Indigenous Australians pounded the nuts to produce flour.

Found in a variety of climates and environments from rainforests to drier inland areas. 

  • Perennial Grass
  • Evergreen
  • Frost hardy
  • Will grow in all states 

Sow Direct or Raise Seedlings. Well drained soil media

Watering Method: Bog Method/ Capillary until germination as occurred.

Sowing Depth 6mm. Keep Moist
When to sow in Australia

Tropical: Autumn and Winter

Temperate: Spring and Autumn

Cool climate: Spring and Autumn

Germination 18 Months at 23 – 25°C
Plant Spacing 2mt
Height 1mt 
Position Part-shade, Full Sun