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Iris germanica Coup de Soleil - Tall Bearded Iris

Iris germanica Coup de Soleil
Bearded Iris

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A mid-season variety, sturdy (75 cm), bearing bright orange flowers, almost solid, between mandarin and carrot, adorned with red beards. Its numerous, medium-sized flowers have slightly crisped edges and a subtle scent. Plant this tall iris in sun, in rich, well-drained soil.
Height at maturity
75 cm
Spread at maturity
40 cm
Exposure
Sun
Hardiness
Hardy down to -15°C
Soil moisture
Dry soil, Moist soil
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Best planting time July to August
Recommended planting time February to March, July to October
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Flowering time May to June
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Description

TheIris ‘Coup de Soleil’ is a garden iris that is relatively short but floriferous and has a bright orange almost solid colour, quite rare among Iris germanica. The numerous flowers on the stems, slightly crimped, exude a sweet fragrance. This mid-season variety blooms in May–June, depending on the climate. Plant its rootstocks in summer in a sunny bed or on a well-drained slope.

'Coup de Soleil' is a perennial plant with fleshy rootstocks. It is one of the countless varieties of large bearded iris cultivated in gardens for centuries. These plants of the Iridaceae family descend from Iris × germanica, an ancient European hybrid derived from Iris pallida and Iris variegata. They grow from superficial rootstocks, are very cold-resistant and tolerate summer drought once established. Their sword-shaped leaves, glaucous green, are more or less evergreen in winter depending on the climate.

'Coup de Soleil' is stocky for a large iris, its floral stems rise to 75 cm from the ground. After 3 or 4 years of growth, the clump occupies 40 to 50 cm across. The rootstocks multiply slowly at the periphery of the stump; those in the centre no longer flower. The flowers open in May–June, at the heart of the garden iris season. Each stem carries up to 9 buds, which extends the flowering period. The flowers are not very large, crimped on the edge, almost solid orange, somewhere between mandarin and carrot, visible from a distance. The upright petals and trailing sepals have a similar shade. In the centre of the corolla sit red beards that enhance its colour. The fragrance is sweet, especially noticeable when you bury your nose in the flower.

Bred by Richard Cayeux, registered in 2006 and then introduced in 2007, this French iris bears the seedling number 98135B. It arises from a cross-breeding between a seedling of the ‘Adobe Rose’ line and the iris ‘Good Show’. It stands out from more variegated orange varieties by its almost pure colour, its floriferousness, and its stature more suited to borders.

Plant this iris ‘Coup de Soleil’ in groups of three rootstocks, spaced 35 to 40 cm apart, to obtain a beautiful flowering clump within 2–3 years. In a border, associate it with blue or white irises and with plants that will not risk suffocating its stump. Its orange colour stands out next to the iris ‘Tuxedo’, very dark and velvety, or the Iris ‘Confiserie’, more purplish. Beside them, plant for example the Euphorbia characias ‘Miners Merlot’, with purple evergreen foliage, or the Santolina ‘Lemon Fizz’ which forms a small golden cushion.

 

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Garden iris, bearded iris: planting, care
Family sheet
by Virginie T. 13 min.
Garden iris, bearded iris: planting, care
Read article

Flowering

Flower colour orange
Flowering time May to June
Inflorescence Cluster
Fragrance slightly scented sweet and mild

Foliage

Foliage persistence Deciduous
Foliage colour medium green

Plant habit

Height at maturity 75 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Iris

Species

germanica

Cultivar

Coup de Soleil

Family

Iridaceae

Other common names

Bearded Iris

Origin

Cultivar or hybrid

Product reference26058

Planting and care

Plant the iris ‘Coup de Soleil’ from July to October, when the rootstocks can root before winter, or in spring in heavy soils that remain wet in autumn. Choose a very sunny position, with at least six hours of direct sunlight per day. The soil should be fairly rich but without excess nitrogen, neutral to calcareous, and above all free-draining. In clay soil, plant on a small mound and mix gravel or coarse sand into the planting soil. Place the rootstock almost at the surface, with its back visible to the sun. Water after planting, and then only during prolonged dry spells in the first year. Apply some well-rotted compost in spring around the clump, without covering the rootstocks. Divide the clumps every three or four years in summer, when the centre flowers less.

Planting period

Best planting time July to August
Recommended planting time February to March, July to October

Intended location

Suitable for Meadow, Rockery
Type of use Border, Slope
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Amateur
Planting density 5 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Chalky (poor, alkaline and well-drained), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil well-drained, fairly rich

Care

Pruning instructions Cut the flower stems at the end of flowering.
Pruning Pruning recommended once a year
Pruning time July to August
Disease resistance Good
Overwinter Can be left in the ground

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