Older varieties are considered very invasive, particularly in residential areas near coastal and mallee environments where they will spread along roadsides from seeds blown from nearby gardens and dumped garden waste.

There are approximately 72 Australian species of Scaevola, of which 40 occur naturally in Western Australia. This ground cover plant produces a prolific number of mauve, purple or white flowers. Scaevola aemula is the most popular in cultivation, with relatively large flowers. Scaevola albida has smaller flowers and is a fast-growing, dense ground cover that grows 0.2–0.3 m high by 1.5– 2 m wide. Resistant to salt spray, it is a perfect coastal plant. Most species require good drainage and thrive in full-sun.

has distinctively striped, large flowers in earthy tones of orange and brown. Also has high pest and disease tolerance.

has large, honey coloured, fully double blooms over grey-green foliage. It can withstand dry conditions and is suitable for coastal plantings.