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Xanthorrhoea australis

Austral Grass-tree

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


Cover seed with 2-3 mm of soil plus gravel.



Germination may take between 4-52 weeks.
Stratification improves germination time and rate.

Light may inhibit germination.

Pests and Disease

Species susceptible to Cinnamon fungus (Phytophthora cinnamomi) dieback.

When to Sow Seeds / Temperature to Sow

Spring or Autumn
Optimal germination temperature 15-20°C

Seed Collection Timeframe

December - February

Storage and Ripening

May retain acceptable viability for 5 years or more stored at room temperature, although using fresh seed is recommended.

Grows from Cuttings