This spreading perennial ground cover to 50 cm was widely cultivated because of its dense green foliage and small blue flowers. It has spread and successfully established in moist and damp areas such as wet gullies and creek banks. Although it does not produce seed in Australia, it spreads by runners and by fragments carried in water or in relocated soil. It forms dense mats suppressing all other plants. A variegated form may also be invasive.

A vigorous ground cover with large coppery-purple leaves and masses of large colourful deep blue flower spikes in Spring. It will grow to a height of 30 cm with a spread of 60 cm in a sunny or partly shaded position. This fast growing variety is perfect for covering large areas.

An Australian native ground cover with prolific flowering of mauve, purple or white fan shaped flowers from mid-winter onwards. Most species require good drainage and thrive in fullsun.

A small, evergreen, Australian native creeping perennial ground cover. Produces dark centered pale lavender or white flowers during spring–summer. Grows best in part-shade in moist conditions.