Scarification: soak in warm water, let stand in water for 12 hours.
Stratification: none required.
Germination: sow seed 1/4" deep, tamp the soil, keep warm and moist.
Acacia dealbata (known as silver wattle, blue wattle or mimosa) is a species of Acacia, native to southeastern Australia in New South Wales, Victoria, Tasmania, and the Australian Capital Territory and widely introduced in Mediterranean, warm temperate, and highland tropical landscapes.
Acacia dealbata is widely cultivated as an ornamental plant in warm temperate regions of the world, and is naturalised in some areas, including Sochi (Black Sea coast of Russia), southwestern Western Australia, southeastern South Australia, Norfolk Island, the Mediterranean region from Portugal to Greece and Morocco to Israel, Yalta (Crimea, Ukraine), California, Madagascar, southern Africa (South Africa, Zimbabwe), the highlands of southern India, south-western China and Chile. It does not survive prolonged frost. It has gained the Royal Horticultural Society's Award of Garden Merit.
The flowers and tip shoots are harvested for use as cut flowers, when it is known by the florist trade as "mimosa". In Italy, Albania, Russia and Georgia the flowers are also frequently given to women on International Women's Day. The essence of the flowers, called 'mimosa,' or in older texts, 'cassie', is used in perfumes. The leaves are sometimes used in Indian chutney.