Gladiolus tristis Boiss. A hardy easy growing species, native to southern Africa. Produces a single leaf from which the flower spike emerges. Typically 4-6 buds per spike. The flowers are intensely fragrant, especially at night.
Gladiolus dalenii Gaud. It occurs over a large region in Southern Africa and has many distinct geographic forms, which in the past were given many different species names, including Gladiolus primulinus.
Gladiolus tubergenii Ker. This eye-catching flower is native to South Africa and blooms in nearly every colour. Come in colours from soft pink to bright purple-pink, have narrow leaves, and have two to four stalks with many side shoots. They look like the Colvillei Hybrids but have larger flowers and are somewhat taller. They are good to use in the garden but they are also suitable as a cut flower
Gladiolus primulinus Baker. This flower is native to East Africa, the Zambezi river area. In Europe it is known since 1889. It is 20-30" height, blooms July to September. G. primulinus was very important in the production of miniature Gladiolus hybrids.
Gladiolus callianthus L. Gladiolus callianthus or Abyssinian Star is native to South Africa. It did not arrive in Europe until 1930. Acidanthera was the name of the genus, but they now belong to the genus Gladiolus. The similarity to a gladiolus flower is obvious, but they are more delicate and graceful. This charming flower does not resemble any of its kind. The tender white flowers have a purple heart and they dangle decoratively of a 32 inch stem. They flower one at a time and thus stay in bloom from early august till the first frost.
Gladiolus byzantinus is known since 1629. It is a hardy, very delicate gladiolus from Spain, Italy, North Africa, Corsica and Malta, much more graceful than her larger sisters and therefore very useful in the perennial border. Suitable neighbours are lavender, grey-leaved plants. The flowers may face in two or three directions. Very nice in bouquets.
Gladiolus caeruleus Czerniak. A graceful, fairly vigourous plant. Spikes have 6-8 buds and have two bell shaped light blue flowers in bloom at a time. The lower petals are cream colored and marked with many dark blue-violet spots.
Gladiolus carneus. A large flowered, late blooming species. The single spike had 3 buds with large light lavender pink florets. Each lightly ruffled floret had 3 prominent red-pink darts on the lip petals.
Gladiolus trichonemifolius. A hardy easy growing species, native to southern Africa. Produces a single leaf from which the flower spike emerges. Typically 4-6 buds per spike. The flowers are intensely fragrant, especially at night.