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Flowers. Photo from R. V. Roger |
Foliage |
Form Click on photo from Old House Gardens |
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Plant Name Click to Exit to Comparison Page or or link to |
Gladiolus x colvillei nanus 'Albus' From the Latin gladius ("sword"), the name used by Pliny, referring to the shape of the leaves. Gladiolus x colvillei is a name attributed to crosses between Gladiolus cardinalis and Gladiolus tristis. Member of Nanus Cultivar Group. |
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Common Name |
Hardy Gladiolus. |
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Soil |
Well-drained Sand or Chalk with Humus with pH 6.1 - 7.5 (Apply 4 inch deep mulch with mown autumn leaves and grass by each December, mix that mulch in with the top 9 inches of soil before replanting in April/May after last expected frost - further cultivation details in the Introduction Page). Can be planted in Clay using Dombrain's method to prevent rotting of the corm. |
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Sun Aspect |
Full Sun |
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Soil Moisture |
Dry |
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Plant Type |
Perennial Corm |
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Height x Spread in feet |
12-18 inches x 5 inches |
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Foliage |
Sometimes narrow Dark Green leaves are found on the stem. |
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Flower Colour - Classification Colour - in Month(s). Seed |
White - White (Pale) 00 - flowers with yellow stripes and bluish anthers in late June-early July. R.V. Roger despatch these between July and September, so grow inside in a deep pot for flowering in the autumn, before putting the contents of the pot in the garden in mid-May so that it can flower at its usual time in the summer. |
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Comment |
"The earliest group of hybrids to become commercially available were all dwarf (up to 30 inches tall). The first was the Gladiolus x colvillei group that appeared in 1823, and resulted from crosses between Gladiolus cardinalis and Gladiolus tristis made by James Colville, a nurseryman of Chelsea. These plants were principally a race of orange- and red-flowered plants and were quickly superceeded, but still surviving from that tranche is nanus 'Albus' (1826), which has white flowers with pink anthers. Subsequently the same cross was made again and produced 'The Bride' (1871), which has white flowers with white anthers. Later in the nineteenth century, Gladiolus cardinalis was crossed with Gladiolus blandus in Holland, to produce what became known as the 'Charm' hybrids, Gladiolus x ramosus: some of these and their successors are still grown today. Later, these were back-crossed with Gladiolus cardinalis by several breeders, to give rise to a group which became known as the 'Nanus' hybrids. Gladiolus x nanus." from Heligan: fruit, flowers and herbs. Place bonemeal well below the roots before planting. Set corms at least 4 inches deep, about 6-10 inches apart. In colder areas, corms best lifted after flowering. Dry and store in well-ventilated, warm place where temperature is about 11 Centigrade. These are "relatives of the hybrid Gladioli that are commonly grown during the summer, but these are winter-growing species from South Africa. In their native habitats, which range from seasonal wetlands to dry grass plains, they emerge in early winter as temperatures start to fall (8-10 Centigrade at night, 20-24 Centigrade during the day), producing sword-like foliage and sprays of the most delightful flowers. They all require a bone dry dormancy in the summer. Superb in a pot in a frost-free greenhouse or sunny conservatory. Need a very well-drained compost, water once on planting and leave until shoots emerge, then water and feed regularly." from R.V. Roger. Available from R. V. Roger and Old House Gardens. with seeds from B & T World Seeds in America R.V. Roger sells these other varieties for frost-free conditions - links are provided here to flower photos from other websites:-
"An excellent reference for Gladiolus species native to South Africa is: Gladiolus in Southern Africa by Information for some of the Cape species and details of the origin of modern glads can be found in: Growing Gladioli by Cultural information on Gladiolus species and many other genera of cape bulbs can be found in: Cape Bulbs by from There are more than 10,000 hybrids and cultivars of Gladiolus. |
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Single Flower. Photo from R. V. Roger |
Single Leaf. |
Fruit |
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