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Gahnia sieberiana

Red-fruit 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

Fruits shiny reddish brown, about 3 x 1.5 mm

Seed Pre-Treatment


Smoke treatment may improve results.


Capillary watering


Germination may be slow and erratic. Heat and smoke treatment may increase germination rate. Another reported method for improving germination is to rub seeds with sandpaper to remove most of the red color before sowing.

Pests and Disease
When to Sow Seeds / Temperature to Sow

Late Spring-Summer
Optimum temperature for germination 25°C.

Seed Collection Timeframe

August - November

Storage and Ripening

Has after-ripening period of 12 months dry storage.
May retain viability for long periods stored at room temperature.

Grows from Cuttings