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Macadamia Information

The Macadamia Nut

The Macadamia Nut tree is native to Queensland Australia, it is a small to medium evergreen tree (2-12m in height). Commonly found in the South Eastern Queensland coastal region.  It is the only commercially grown native food product produced in Australia.  The Nut, also known as the Queensland Nut has now been exposed to the international food markets as the niche golden nut. The nuts themselves grow encased in a hard, woody shell, which is protected by a green-brown fibrous husk. In its natural state a macadamia tree will have flowers, nutlets and mature nuts growing simultaneously, in profusion for much of the year. The nuts fall to the ground between March and September each year and are harvested by pin wheel harvesters at regular intervals.

 The Macadamia tree was first commercially grown in Northern N.S.W.  However, as land price increased, economic viability to grow the industry grew less. This saw a large expansion to the Industry in the Bundaberg region of Queensland where land prices are relatively affordable, flat with an abundance of water. The Bundaberg region has seen approximately 1.8 million trees planted in the past 10 years, and will soon be the biggest producing region in Australia.

A relatively low labour requirement has seen a diversification from small crops and cane to vast areas around the town of Bundaberg.

Macadamia Farm Management

Macadamia Nut Uses & Product Uses

The Macadamia nut kernel has a very high nutritional value. They have the highest amount of beneficial monounsaturated fats of any known nut.  The delicious nut is used in various forms, both as savory snacks, as well, as confectionary. Often found coated in chocolate.

The Macadamia nut is also used to extract rich mono-saturated oil, for cooking.

Another major and expanding use is in Skin care and hair care. 

Propagation

The macadamia tree is usually propagated by grafting and does not begin to produce commercial quantities of nuts until it is 5 year old, but once established, may continue bearing for 25 plus years. Macadamias prefer fertile, well-drained soils, a rainfall of 1,000 mm, and temperatures not falling below 10 °C (although once established they can withstand light frosts), with an optimum temperature of 25 °C.

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