Cultivars
'Aureomarginatus'
This shrub grows to 3 m (10 ft) tall and produces green leaves that have yellow margins.

'Aureus'
This shrub produces golden yellow leaves that mature to yellow or green or green.  The young foliage is very spiny and the slow growing plant is smaller than the species.

'Goshiki'
This shrub produces green foliage that is mottled in golden yellow and cream.  The new foliage is bronze tinged and the plant is used in garden borders for foliage contrast.

'Gulftide'
This shrub grows to 2.5 m (5 ft) tall forming a compact habit with twisted foliage of that is very spiny. It is commonly cultivated in small gardens as a specimen or used in border plantings.

'Kembu'
This small shrub produces leaves that are streaked and have margins that are cream colour.

'Latifolius Variegatus'
This plant is similar to 'Variegatus' but produces broader leaves that are only slightly toothed.

'Myrtifolius'
This slow-growing compact shrub produces spineless dark green leaves to 50 mm (2 in) long.

'Purpureus'
This hardy shrub has deep purple new growth that matures green with a purplish tinge.

'Roundifolius'
This slow-growing a dwarf shrub grows to 1.2 m (4ft) tall forming a compact habit and produces green leathery serrated leaves that are spineless.

'Sasaba'
This shrub grows to 1.5 m (5 ft) tall with an open habit and produces dark green leaves that are deeply lobed with sharp spiny tips.  It is an ideal barrier plant in public places.

'Variegatus'
This shrub grows to 3 m (10 ft) tall forming a dense habit and producing dark green leaves that are boarded in creamy white.  It is used for colour contrast and is suitable for patio tubs.