Cultivars
'Cream Delight'
This evergreen perennial grows to 1m (3ft) tall with broad arching strap-like foliage that is creamy yellow with longitudinal stripes of green through the centre. 

It is grown in patio pots or rockeries for colour contrast and is suitable for coastal positions. It prefers a well drained moderately fertile soil in a open semi shaded to sunny positions. Once estabilished it has a low water requirement (Scale: 1-drop from 3), responding to mulch and an occasional deep watering during dry periods.

'Greensleeves'
This evergreen perennial grows to 2m (6ft) tall with broad drooping strap-like foliage that is mid green. It is grown in large gardens or rockeries tolerating dry conditions and is suitable for coastal positions. 

It prefers a well drained moderately fertile soil in a open sunny positions. Once established it has a low water requirement (Scale: 1-drop from 3), responding to mulch and an occasional deep watering during dry periods.

'Platts Black'
This evergreen perennial grows to 600mm (2ft) tall with long arching strap-like foliage that is deep purple to blackish. It is suitable for patio pots or rockeries for colour contrast and is suitable for coastal positions. 

It grows in well drained moderately fertile soils in a open sunny to semi shaded positions and has a low water requirement once established (Scale: 1-drop from 3), responding to mulch and an occasional deep watering during dry periods.

'Tricolor'
This evergreen perennial grows to 1.5m (5ft) tall with drooping green strap-like foliage that has creamy white stripes towards the red margins. The flowers outer segments are golden-brown and the inner segments are creamy-yellow with a green stripe down the middle. 

It is planted in small gardens as a specimen or used in planter boxes or rockeries and is suitable for coastal positions. It prefers a well drained moderately fertile soil in a open sunny to semi shaded positions. Once established it has a low water requirement (Scale: 1-drop from 3), responding to mulch and an occasional deep watering during dry periods.

'Rubrum'
This evergreen perennial grows to 1.2m (4ft) tall with broad lax strap-like foliage up to 70mm (2⅔ in) wide. The leaf colour is purple-bronze with reddish-purple at the base and ageing to copper-bronze. It is used in patio pots or rockeries for colour contrast and is suitable for coastal positions. 

It prefers a well drained moderately fertile soil in a open semi shaded to sunny positions. Once established it has a low water requirement (Scale: 1-drop from 3), responding to mulch and an occasional deep watering during dry periods.

'Smiling Morn'
This evergreen perennial grows to 1.5m (5ft) tall with broad arching strap-like foliage to 76mm (3in) wide. The leaf colour is bronze with numerious variable bright rosy-red stripes with a yellow underlay giving it a pinkish appearance. 

It is planted in garden boirders or grown as aspecimen in a small garden and is suitable for coastal or inland regions. It prefers a well drained moderately fertile soil in a open semi shaded to sunny positions. Once established it has a low water requirement (Scale: 1-drop from 3), responding to mulch and an occasional deep watering during dry periods.