Description

General aspect and origins - Acacia dealbata is also known as silver wattle. It is a fast growing tree that is native to Australia, and that can reach up to 30 ft (10 m) and more in its native area. (In Australia, it can reach up to 90 ft (30 m) tall and 30 ft (10 m) wide.) In winter, silver wattles are covered with golden-yellow fragrant flowers.
Leaves - The silver wattle has an evergreen foliage. Leaves are grey-green and bipinnate.
Flowers - This wattle bears fragrant globose flowers in winter and spring. Flowers are golden-yellow.

Culture

The silver wattle is a showy tree that can become invasive in mild and warm areas. This tree can withstand brief negative temperatures down to 15°F-20°F. (-7°C to -10°C). It can thus be grown in USDA zones 9a and warmer. It also can be tried in most sheltered places of USDA zones 8b.
Soil - The silver wattle prefers acidic and well-drained grounds.

Propagation

The silver wattle is easily propagated by seeds. However, grafting silver wattle on rootstocks like Acacia retinodes limits its tendancy to produce suckers. Moreover, it gives the tree an added resistance to alcaline soils. Cuttings and air-layers are also possible.
It is advised to soak silver wattle seeds into hot water before sowing.