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Gahnia radula

Thatch Saw-sedge

Species Description

This link will give you an image of the species as a mature plant, as well as flower, fruit and seed description.

Species description

Cultivation and Uses

This link will give you information about climate parameters, tolerance of climate extremes and adverse soils, biological traits under cultivation, soil factors, uses and potentially undesirable attributes.

Cultivation and uses

Plant Growing Stages


2 Months

4 Months

6 Months


Seed Description

Seed Pre-Treatment




Difficult to grow from seed - germination may be low / erratic.
Heat treatment may improve germination. Soaking seed for 12 hours and scarification may also improve germination.

Pests and Disease
When to Sow Seeds / Temperature to Sow

Late Spring-Summer

Seed Collection Timeframe


Storage and Ripening

May retain viability for long periods, however seed seems to generally be of low viability.

Grows from Cuttings