| Species or cultivar | Description | Flowering month | Height (m) | Available for sale in the nursery |
| ‘Abundance’ | Reddish-pink, nodding flowers with deeply veined tepals and greenish-yellow anthers. Free flowering. | July to September | 3 | Yes |
| ‘Alba Luxurians’ | Semi-nodding white flowers with green-tipped tepals and deep-purple anthers. AGM | July to September | 03-Apr | Yes |
| ‘Bal Maiden’ | Small, nodding red flowers. Free flowering | July to September | 2 | No |
| ‘Betty Corning’ | Sweetly-scented, creamy-white, tinged blue-mauve, nodding flowers. AGM | July to September | 02-Mar | Yes |
| ‘Black Prince’ | Deep reddish-purple, semi-nodding flowers. | July to September | 3 | Yes |
| ‘Blue Belle’ | Very large, deep violet-blue flowers with yellow anthers. | August to September | 3 | Yes |
| ‘Brocade’ | Nodding, brick-red flowers. | July to September | 02-Mar | No |
| ‘Caerulea Luxurians’ | Blue and white flowers with green tips on long stems. | July to September | 3 | No |
| ‘Carmencitia’ | Open, semi-nodding, carmine-red flowers with dark anthers. | July to September | 03-Apr | Yes |
| ‘Chatsworth’ | Pearly-blue flowers with a blue bar. | June to October | 3 | Yes |
| ‘Elvan’ | Purple, nodding flowers with a creamy-white stripe. | July to September | 4 | No |
| ‘Emelia Plater’ | Soft, mauve-blue flowers. Free flowering. | July to September | 3 | Yes |
| 'Etoile Violette' | Masses of deep purple flowers with yellow stamens. AGM | July to September | 03-Apr | Yes |
| ‘Foxtrot’ | Creamy-white flowers with violet-purple edges carried on long stems. | July to September | 3 | No |
| ‘Grandiflora sanguinea’ | Deep red. Free flowering | July to September | 3 | No |
| ‘Hanna’ | Pale blue, nodding flowers. | July to September | 02-Mar | No |
| ‘John Treasure’ | Nodding, red-purple flowers with recurved tips. | July to September | 02-Mar | No |
| ‘Kathryn Chapman’ | Light yellow to cream, nodding flowers. Free flowering. | July to September | 3 | No |
| 'Kermesina' | Deep wine-red flowers with a small white spot at the base of each tepal. Free flowering. AGM | July to September | 3 | Yes |
| ‘Killifreth’ | Semi nodding, white flowers with a broad margin of purple-red. Free flowering. | July to September | 3 | No |
| ‘Little Bas’ | Broadly open, violet-blue bells. | July to September | 02-Mar | Yes |
| ‘Little Butterfly’ | Red purple nodding flowers. Free flowering. | July to September | 03-Apr | No |
| 'Little Nell' | Small white flowers edged in pale mauve. | July to September | 3 | Yes |
| ‘M Koster' (syn. ‘Margot Koster’) | Pretty, rose-pink large flowers. | June to August | 3 | Yes |
| ‘Madam Julia Correvon' | Bright wine-red flowers, with twisted tepals and pale yellow stamens. Free flowering. AGM | July to September | 02-Mar | Yes |
| ‘Mary Rose’ (syn. ‘Flore pleno’) | Double, smoky-amethyst flowers. | July to September | 02-Mar | Yes |
| ‘Minuet’ | Cream flowers with rosy mauve edge, carried on long stems. AGM | July to September | 3 | Yes |
| ‘Mrs T Lundell’ | Open mauve-pink flowers. Free flowering. | July to September | 03-Apr | No |
| ‘Pagoda’ | Pale pink-mauve hanging bells. | July to September | 3 | Yes |
| ‘Pendragon’ | Sweetly scented, rose-purple nodding flowers. | July to September | 3 | No |
| 'Polish Spirit' | Rich purple-blue flowers with red anthers. Free flowering. AGM | July to October | 03-Apr | Yes |
| ‘Purple Haze’ | Soft violet-purple flowers backed by purple bronze leaf bracts. Free flowering. | June to October | 3 | No |
| ‘Purpurea Plena Elegans’ | Double, dusky purple long lasting flowers. AGM | July to September | 03-Apr | Yes |
| 'Royal Velours' | Rich velvety, purple-red flowers. AGM | July to September | 03-Apr | Yes |
| ‘Sodertalje’ | Deep pinky-red flowers. | July to September | 3 | Yes |
| ‘Tango’ | Cream-white flowers edged in red. | July to September | 3 | No |
| viticella | Bell shaped flowers, ranging from violet to dark purple. Free flowering. | July to September | 03-Apr | No |
| ‘Venosa Violacea' | Largish, white flowers with purple-veins and edges. AGM | July to September | 3 | Yes |
| ‘Walenburg’ | Semi-nodding, red-purple flowers with cream centre. Free flowering. | July to September | 02-Mar | Yes |
