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Rosa Dioressence - Hybrid Tea Rose

Rosa Dioressence® 'Deldiore'

2,8/5
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4 reviews

Perfect! With a good watering after planting, I can't wait to smell its fragrance!

Astro8, 12/02/2024

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This plant carries a 24 months recovery warranty

More information

This modern bush rose is one of the most fragrant in the Delbard collection. It produces clusters of large double cup-shaped flowers, superbly coloured in mauve with a deeper purple reverse, whose pronounced fragrance of 'blue' rose, in a woody register, reveals geranium and oak moss notes. This variety is perpetual, and its elegant foliage is a glossy dark green. Excellent as a cut flower, it has won 7 awards, including first prize for fragrance at Monza in 1984.
Flower size
11 cm
Height at maturity
80 cm
Spread at maturity
70 cm
Exposure
Sun
Hardiness
Hardy down to -23°C
Soil moisture
Moist soil
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Best planting time February to March, October to November
Recommended planting time January to April, September to December
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Flowering time May to October
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Description

The 'Dioressence' Rose is a modern hybrid tea rose whose name evokes a grand perfume created by Christian Dior. It is appreciated for the complex fragrance of its large flowers, a captivating scent that can only be found in roses known as blue roses. This bush rose produces clusters of large, double, campanulate flowers, beautifully coloured in mauve with more purple undersides, whose pronounced fragrance with woody notes reveals subtle aromas of geranium and oakmoss. This variety is perpetual, but its elegant foliage, a shiny dark green, shows some susceptibility to diseases.

 

'Dioressence' or 'Deldiore' is a modern bush rose with large clustered flowers obtained by Delbard-Chabert in 1984. In the year of its introduction, this beautiful variety won the Gold Medal for fragrance in Monza. Other awards followed, with a total of 7 awards for this rose. This bush with a bushy and relatively low habit reaches about 80 cm (32in) in height with a spread of 70 cm (28in) at maturity, with rapid growth. It produces robust, thorny and well-branched branches, which bear elegant foliage, bronze at the start, and a shiny dark green. If faded flowers are removed from May to October, the plant produces successive waves of large, 10-12 cm (4-5in) in diameter, perfectly turbinate flowers with a very tight centre, typical of hybrid tea roses. They are composed of 26 to 40 delicately fringed petals, a colour that is neither truly pink nor truly blue, doubled with violet, which fades slightly to mauve at full bloom. They are gathered in small clusters of 3 to 5 and carried at the end of long one-year-old shoots or emerging from 2-year-old stems.

 

This 'Dioressence' rose is ideal for the garden of someone who loves fragrant flowers and has experience caring for them. It deserves a graceful setting and a place not far from the house. Some light-flowering perennial plants (autumn asters, foxgloves, penstemons), grasses, lavenders, and catmints are ideal for enhancing its beauty and accompanying it late in the season. For example, pair it with a red or garnet rose (Charles de Mills, Papa Meilland, Rose Garden of l'Haÿ, Hansa); their colours and fragrances create a beautiful symphony. If you are feeling brave, you can also try the combination of mauve with soft orange or yellow, with a rose like Danaë or O Sole Mio. Simple and easy-to-grow perennials like Geranium Rozanne, Geranium Pink Cloud, Nepeta Walker's Low, and campanulas will accompany it for much of the beautiful season. It will look good on its own, for example, in a group of 3 plants and in a large pot on your terrace or balcony. Its flowers make beautiful romantic bouquets alongside pink peonies and white lilacs.

Rosa Dioressence - Hybrid Tea Rose in pictures

Rosa Dioressence - Hybrid Tea Rose (Flowering) Flowering

Plant habit

Height at maturity 80 cm
Spread at maturity 70 cm
Habit Irregular, bushy
Growth rate fast

Flowering

Flower colour mauve
Flowering time May to October
Inflorescence Double
Flower size 11 cm
Fragrance Very fragrant, Scent of rose with woody undertones and hints of geranium and oak moss.
Good for cut flowers Cut flower blooms

Foliage

Foliage persistence Semi-evergreen
Foliage colour dark green

Botanical data

Genus

Rosa

Cultivar

Dioressence® 'Deldiore'

Family

Rosaceae

Origin

Cultivar or hybrid

Rootstock

Rosa canina Laxa (Wrapped bare root), Rosa multiflora (4L/5L pot)

Product reference847242

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Planting and care

Choose a sunny or lightly shaded spot with well-worked soil that is not too heavy and has enough nutrients. Avoid planting in poor and excessively dry soils. Prepare the soil by crumbling it and adding an amendment, such as blood, fish and bone, at the bottom of the planting hole. After planting, water abundantly to remove air pockets and continue to water regularly for a few weeks to help the roots establish.

Pruning modern repeat flowering roses is important for flowering and should be done in three stages:

1. Regular maintenance pruning: During the season, regularly shorten the flowering branches and remove faded flowers along with their stem, leaving 2 or 3 leaves to encourage repeat flowering.

2. Preparatory autumn pruning: Lightly prune in preparation for the 'main' spring pruning. Note: This is not recommended in regions with cold winters as this could weaken the bush.

3. Spring pruning: In February-March, when the buds have become shoots 2 to 3 cm (1in) long, prune the young, strong branches to one-quarter of their length.

When pruning, always aim to remove dead wood, diseased branches, and weak shoots while opening up the centre of the bush. Retain the most vigorous branches, generally 3 to 6 well-positioned, to maintain an attractive habit. Always prune at a slant ½ cm or 1 cm (0in) above an outward-facing bud.

Roses may develop unsightly spots at the end of summer, but this is a natural occurrence and doesn't harm the rose's growth.

Planting period

Best planting time February to March, October to November
Recommended planting time January to April, September to December

Intended location

Suitable for Meadow
Type of use Border, Container
Hardiness Hardy down to -23°C (USDA zone 6a) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Sun
Soil pH Any
Soil type Clayey (heavy), Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light)
Soil moisture Moist soil, well-worked, fertile and lightweight

Care

Pruning instructions Pruning modern repeat flowering roses is important for flowering and should be done in three stages: 1. Regular maintenance pruning: During the season, regularly shorten the flowering branches and remove faded flowers along with their stem, leaving 2 or 3 leaves to encourage repeat flowering. 2. Preparatory autumn pruning: Lightly prune in preparation for the 'main' spring pruning. Note: This is not recommended in regions with cold winters as this could weaken the bush. 3. Spring pruning: In February-March, when the buds have become shoots 2 to 3 cm (1in) long, prune the young, strong branches to one-quarter of their length. When pruning, always aim to remove dead wood, diseased branches, and weak shoots while opening up the centre of the bush. Retain the most vigorous branches, generally 3 to 6 well-positioned, to maintain an attractive habit. Always prune at a slant ½ cm or 1 cm (0in) above an outward-facing bud.
Pruning Pruning recommended once a year
Pruning time February to March, October to November
Soil moisture Moist soil
Disease resistance Average
Overwinter Can be left in the ground
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