Silver wattle - Acacia dealbata

Description and Uses

Acacia dealbata (Silver wattle) is a tropical tree from Southern Australia. The crop is harvested by total removing. It starts flowering after 4 - 6 years. The tree`s wood is called Silver wattle wood and has a density of 500 - 750 kg/m³. Regarding firewood production the tree`s growing speed is fast, its energetic value is 4100 ckal/kg and the wood`s drying speed is ; for firewood production it is not ideal. After 25 years the tree can be totally removed as it reached its commercial and ecological goal. Acacia dealbata has a lifespan of 35 years.

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Environmental limitations

The tree is 28 meters tall. It is fast growing and tolerates not less light than full sun. Acacia dealbata has a deep root-system and forms symbiotic relations (endo-mycorrhiza). It is able to fix nitrogen with Microbacteriaceae bacteria. The tree`s flower-morphology is hermaphroditic and is pollinated by wind.

Acacia dealbata thrives in an altitude of 600 to 3000 meters above sea-level (tropical). The minimum temperature is -6°C and optimally between 15 - 35°C. The optimal rainfall is 1500 mm/year. Without irrigation the annual rainfall should be between 650 - 1700 mm (L/m²). The optimal soil-pH is between 6.0 - 8.0 in a soil texture of loam. To salt it is a bit tolerant to wind and to fire .

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Pests and Diseases

and diseases.

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Seed Propagation

Unfortunately propagation instruction is missing.

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