Cultivars
There are many cultivars derived from this species and it is advisable to contact your local nursery for available varieties.

'Abbot'
The flowers are blood red during mid-season. It is a medium compact shrub.

'Adriaan Koster'
The flowers are cream with a yellow centre. During late season and is a medium to low shrub.

'Alarm'
The flowers are deep red with light pink centres, during late season. It is a medium to tall shrub.

'Album Elegans'
The flowers are pale mauve during late season. It is a medium size shrub.

'Alice' (R. griffithianum hybrid)
Large clusters of flowers in bright pink with lighter centres during mid season. Leaves to 15cm long.

'Alison Johnstone'
Clusters of funnelform flowers in yellow flushed with pink occurring early to mid season. Medium size shrub with blue-green rounded leaves.

'Anna - Rose Whitney'
Clusters of 12 salverform flowers in deep pink, occurring late in the season. It is a large shrub with 20cm. mid-green oval leaves.

'Annie E. Endtz'
Rounded clusters of frilled flowers in pink, during mid season. This is a medium size shrub.

'Auther J. Ivens' (R. williamsianum hybrid)
Clusters of funnelform flowers in dusky pink during early to mid season. It is a small rounded shrub.

'Aries'
Flowers are deep crimson during mid season. It is a medium to low shrub.

'Babylon'
Clusters of 9 to 15 funnelform flowers in pale pink with brown throat markings, during early season. It is a medium size shrub with 15cm. long deep green leaves.

'Betty'
Conical cluster of funnelform flowers in deep pink during mid season. It is a large shrub with mid green leaves.

'Betty Roberson'
The flowers are bluff yellow with reddish upper lobe during late season. It is a low shrub.

'Betty  Wormald'
Clusters of large flowers in deep rose paling to soft pink with deeper centre blotched, occurs during late season. It is a medium size plant.

'Bibiani'   (R. arboreum hybrid)
Clusters of 11 to 15 campanulate flowers in deep red during early season. It is a medium size shrub with 15cm dark green heavy textured leaves.

'Billy Budd'
Flat top clusters of 12 flowers in bright red, during mid season. It is a small shrub with elliptical leaves.

'Blue Boy'
Rounded clusters of funnelform flowers in violet - blue blotched black in mid season. It is a medium size shrub with 15cm. narrow deep green leaves.

'Blue Peter'
Frilled clusters of flowers in lavender-blue with a purple flare, during mid season. It has deep green leaves.

'Break of Day'
Loose clusters of tubulate flowers in orange, during late season. It is a low growing shrub.

'Brickdust' (R. williamsianum hybrid)
Loose clusters of campanulate flowers in dusky orange during mid season. It is a small dense shrub with 5cm rounded leaves.

'Britannia'
Large clusters of flowers in bright scarlet during mid-season. It is a medium size shrub with drooping 15cm. long light green leaves.

'Bruce Brechtbil'
Conical cluster of flowers in pink flushed with yellow, during early to mid-season. It is a medium size shrub. The leaves are deep green.

'Butterfly'
The flowers are pale lemon and chocolate blotched during late season. It is a medium size shrub.

'Cherry Custard'
Flat clusters of flowers with orange-red buds opening to yellow blooms. It is a low and spreading shrub with elliptical, acuminate leaves. 

'Christmas Cheer' (R. caucasicum hybrid)
Cluster of 5 - 11 funnelform flowers with deep pink buds opening to white and pale pink, during early season. It is a medium size plant with 510cm. long mid-green leaves.

'Cinnkeys'
Waxy tubulate flowers in red fading to yellow at the tips. This is an unusual medium size shrub.

'Cornubia' (R. arboreum hybrid)
Clusters of 7 - 11 funnelform flowers in bright red, during early season. It is a vigorous large shrub.

'Countess of Haddington'
3 to 5 large campanulate scented flowers in white flushed with pink. It is a tidy medium size shrub.

'Countess of Athlone'
Clusters of large flowers in silver mauve during late season. It is a medium to tall shrub.

'Crest'
The flowers are yellow during the mid season. It is a medium size shrub with bronze-green leaves.

'Dido'
Loose clusters of salverform flowers in orange - pink with yellow centre. It is low growing (1.2m) shrub with light green leaves.

'Dora Amateis' (R. minus hybrid)
Clusters of 3 - 6 funnelform flowers in white, during late season.  It is a small shrub with 5cm. deep green leaves, aromatic and bronze when young.

'Dr Arnold Endtz'
Large clusters of frilled flowers in deep pink, during late season. It is medium to tall shrub.

'Earl of Athlone’
Clusters of flowers in rich, blood red, during mid-late season. It is a medium size shrub.

'Edith Praed'
Large strong flowers in scarlet, during mid-late season. It is medium to tall shrub.

'Eldorado' (R. johnstoneanum hybrid)
Clusters of 2-3 funnelform flowers in bright yellow, during mid season. It is a medium size shrub.

'Elisabeth Hobbie' (R. forrestii hybrid)
Clusters of 5-7 campanulate flowers in bright red, during mid-season. It is a low growing shrub with 5cm. long deep green leaves, reddish when young.

'Elizabeth'
Loose clusters of 6-8 funnelform flowers in bright red, during early to mid season. It is a medium size shrub with an open habit.

 R. fabia ' Roman Pottery'
Open clusters of 3-7 campanulate flowers in soft orange, during mid-season. 
'Roman Pottery' flowers are a terracotta colour. It is a low shrub (1x1.5m.) with elliptical pointed leaves.

'Fastuosum Flore Pleno’ 1846.
Clusters of 7-15 semi-double flowers in deep lavender and green-yellow throat marks, during mid - late season. It is a large shrub with 15cm. mid-green leaves.

'Floribundii'
The flowers are deep cerise during mid-late season. It is a medium to low shrub.

'Fragrantissimum' (R. edgeworthii hybrid)
Loose clusters of 3-7 fragrant funnelform flowers, during mid-season. It is a medium size shrub with an open habit. Leaves are 10cm. long in bronze-green.

'Frank Baum'
Clusters of 10 to 14 flowers in coral with a yellow centre, during late season. The leaves are dark green with a touch of red.

'Floribundii'
Free flowering in deep cerise during mid-season. It is a medium to low shrub.

'Loders White'
Large conical clusters of flowers in pale lilac fading to pure white, during mid to late season. It is a medium to large shrub.

'Loderi Venus' 
Large clusters of flowers in mid pink. It is a medium shrub.

'Lucidum'
Flowers are deep mauve during mid to late season. It is a medium shrub.

'Marion'
Flowers are pink with a deeper pink edge, during early to mid season. It is a medium to low shrub.

'Max Sye'
Flowers are rich red with deep red blotches. It is a vigorous tall shrub.

'Medusa'
Clusters of loose campanulate flowers in apricot orange, during mid to late season. It is a low shrub.

'Goldsworth Crimson'
Flowers are mid-red, during mid to late season.

'Heatherside Beauty'
The flowers are frilled white with crimson blotches, during mid-season. It is a medium shrub.

'Ivory Scarlet'
The flowers are bright scarlet, during mid to late season. It is a medium shrub.

'Lady Decies'
Large flowers in lilac, during late season. It is a medium size shrub.

'Lady Primrose'
The flowers are pale yellow lemon, during late season and it is a medium shrub.

Mrs Charles Pearson'
Large clusters of flowers in silvery lilac, during late season. It is a medium size shrub.

'Mrs. W.C. Slocock'
The flowers open as pink and turn yellow, during late season. It is a low shrub.

'Nobleanum'
The flowers are deep pink, during mid-season and it is a medium size shrub.

'Pink Pearl'
Large clusters of flowers in pale pink, during mid to late season. It is a medium shrub.

'Ponticum'
Clusters of medium size flowers in lavender, during mid to late season. It is a medium to tall shrub.

'Purple Splendor'
Free flowering in deep violet to purple, during late season. It is a medium shrub.

'Red Admiral'
The flowers are blood red, during mid season. It is a medium size shrub.

'Sappho'
The flowers are white with deep chocolate blotches, during late season. It is a tall shrub.

'Sir John Waterer'
The flowers are deep pink, during early to mid season. It is a medium size shrub.

'Sir Robert Peel'
Small flowers in cerise red, during mid season. It is a strong tall shrub.

'Souv. W. C. Slocock'
The flowers are primrose shaded in apricot, during late season. It is a medium to low shrub.

'Susette'
The flowers are lavender blue, during late season. It is a bushy medium to low shrub.

'Unique'
The flower buds are apricot, opening to soft cream flowers, during late season. It is a low shrub.

'Unknown Warrior'
The flowers are light red, during mid to late season. It is a medium size shrub.

'White Pearl'
Flower buds are rosy, with large flowers in blush pink fading to white, during mid to late season. It is a tall shrub.'