This grower is sure of this plant identification.
Early flowering ornamental cherry. bought two years ago from Coolongs.
Cherry, Flowering cherry, Plum, Peach, Almond tree, Apricot
Prunus genus (Cherry). This is a large genus; there are many shrubby species but most are trees. Many species are deciduous and will bloom in the spring; they produce scented 5-petalled, pink or white flowers. The leaves are simple with serrated edges.
You should plant in moist, well-drained soil in full sun, remember to protection from strong winds. Trim deciduous hedges after flowering, evergreen ones in early or mid-spring.
They are grown mainly for their single, 5 petalled, to double flowers and autumn colour. Suitable for coastal conditions.