Jarrah is uniquely confined to the temperate forests in the south west corner of Western Australia. Jarrah trees grow to a height of about 30-40 metres (100-130 ft.) and a trunk diameter of up to 2 metres (6 ft.).

Durability

Jarrah is rated Class 2 durability (on a scale of 4) meaning that the timber possesses a high natural resistance to decay, termite and borer attack and can be expected to give long service life under all normal conditions including ground contact. In exposed in ground conditions, a typical service life of 15 to 25 years without the use of preservatives can be expected.
Jarrah is also highly resistant to rot, fire, termites, marine borers and most acids

Density

Jarrah has a density of approx. 835 kg. per cu.m., almost twice that of Redwood and over double the density of cedar or yellow pine.

Hardness

Jarrah is rated as "Hard" (rating 2 on a scale of 6 ). It is 4 times the hardness of Redwood or yellow pine and 5 times the hardness of cedar (Janka hardness scale).

Colour

The wood of the jarrah tree varies in colour from a rich reddish brown to a soft salmon pink, depending on the age of the tree. The colour usually darkens with exterior exposure.

Grain and texture

Jarrah has a clean smooth surface and dense, straight grain making it much sought after for fine indoor and outdoor furniture, flooring and mouldings.

Resource management

A very large proportion of the Western Australian jarrah forests is publicly owned and managed on a sustainable yield basis by The Government Department of Conservation and Land Management.
The resource management and conservation of the 1.4 million hectares (3.46 million acres) of jarrah forests under Government control is supported by an extensive research programme which ensures that these beautiful and unique jarrah forests will always be available for future generations to use and enjoy. 

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