Cultivars
'Brandywine'
This perennial forms a clump with dark green leaves and produces orange red flowers during summer. It grows in an open sunny position on moderately well drained moist soils that are organic rich. It has a high water requirement once established. (Scale: 3-drops from 3)
 
'Lenape'
This dwarf perennial forms clumps with dark green leaves. It produces bright yellow flowers with a red throat with brown-red spots and is planted in patio pots or in small gardens for a tropical effect. It has a high water requirement once established. (Scale: 3-drops from 3)

 'Lucifer'
This perennial forms a clump with purplish leaves and the funnel-shaped flowers are red with yellow edges. It is mass planted in damp areas or used as a specimen in tubs. It grows in full sun to part shade on moderately well drained fertile moist soil and has a high water requirement once established. (Scale: 3-drops from 3)

'King Numbert'
This perennial forms clumps with dark green leaves and produces red to yellow flowers that are spotted or streaked. It is excellent colour contrast in a sub tropical setting. It grows in full sun on moist fertile soils and has a high water requirement once established. (Scale: 3-drops from 3)

'Konigin Charlotte'
This perennial forms a clump with dark green leaves and produces bright red flowers during summer. It grows in full sun on moderately well drained fertile soils and is planted in tropical gardens.  It has a high water requirement once established. (Scale: 3-drops from 3)

'Tropicana Gold'
This perennial forms clumps to 1.8m (5ft) tall with dark green leaves that are heavily variegated in yellow hues. It produces orange flowers with yellow margins that are held above the foliage from summer to late autumn. It is grown as a specimen or in group plantings adding a tropical effect to small gardens and used in patio pots. It prefers an open sunny position but tolerates semi shade and grows on moderately to well drained moist fertile soil. It has a high water requirement once established. (Scale: 3-drops from 3)

'Bengal Tiger'
This perennial forms clumps with dark green leaves with yellow stripes. It is grown for foliage contrast in small gardens and tolerates most well drained moist soils in an open sunny position. It has a high water requirement once established. (Scale: 3-drops from 3)