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Chaffy saw-sedge

Scientific name: Gahnia filum

Plant family: Cyperaceae

Plant type: Sedge

Plant growth form and habit: Perrenial leafy tussock. Rough, sharp edged leaves.

Natural distribution: Coastal areas in Victoria, New South Wales, Tasmania, South Australia and Western Australia.

Indigenous to greater Melbourne: Yes

Height category: 0.5-1m

Dimensions (height and width): 0.6-1.2 m x 0.5 m

Landscape features: Accent plant

Flowering: Erect pale brown panicles, spring to summer.

Typical growth rate: Slow

Light: Full sun

Drought: Moderately good

Waterlogging: Very good

Maintenance and cultivation notes: Difficult to access but a very useful habitat and accent plant. Can be pruned hard to encourage new growth but may be slow to recover and tolerates saline or brackish conditions along coastal and riverine margins.

Butterfly larval host plants: Larval for plant for barred skipper (Dispar compacta), golden-haired sedge-skipper (Hesperilla chrysotricha), varied sedge skipper (Hesperilla donnysa) and yellow sedge-skipper (Hesperilla flavescens).

Birds: Provides food for larvae eating birds.

Benefits: Butterfly (caterpillar) host, Birds (food source)

Availability: Westgate Biodiversity Bili Nursery (availability as of April 2020)

Typical horticultural uses: Bush garden

our acknowledgement

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The City of Melbourne respectfully acknowledges the Traditional Owners of the land we govern, the Wurundjeri Woi-wurrung and Bunurong / Boon Wurrung peoples of the Kulin and pays respect to their Elders past and present. 

 

We acknowledge and honour the unbroken spiritual, cultural and political connection they have maintained to this unique place for more than 2000 generations.

We accept the invitation in the Uluru Statement from the Heart and are committed to walking together to build a better future.