There are three species and many subspecies and cultivars, all of which are popular as ornamentals because of their abundant, attractive flowers which often occur during autumn and winter.

[4] The flowers occur singly in the axils of the leaves, are pink and star-shaped have five petals, five sepals and ten stamens in two rings around the ovary.

Crowea are closely related, and the flowers similar in appearance to those of other member of the family Rutaceae, especially Philotheca, Eriostemon and Boronia.

This gentleman was extremely well versed in the botany of Britain, more especially in the genus Salix, to which he paid particular attention, having collected and cultivated all the species he could possibly procure.

[6] The three species are accepted by the Australian Plant Census as at November 2020: Croweas are hardy in cultivation, moderately tolerant of frost, growing best in a well-drained mulch in partial shade.