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Azalea japonica ENCORE Debutante Roblel

Rhododendron (Azalea) japonica ENCORE® Debutante 'Roblel'
Japanese Azalea

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Perhaps the most romantic azalea in the ENCORE series, which brings together varieties capable of blooming at least twice a year: first from March to June, then again in September-October. They can even bloom a third time from July to August if the climate is correct. Unlike classic Japanese Azaleas, these hybrids also grow in the sun. 'Debutante' forms a beautiful bush about 1.20 m (3 ft 11 in) high by 1 m (3 ft 4 in) in spread, very decorative with its small evergreen foliage and its single flowers of a light and pure pink. Grow in lime-free, rich, moist but well-draining soil. Hardiness: -12/-15°C (10.4 - 5 °F).
Flower size
6 cm
Height at maturity
1.20 m
Spread at maturity
1 m
Exposure
Sun, Partial shade
Hardiness
Hardy down to -12°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time March to May, September to October
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Flowering time April to May, July to August, October
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Description

The Encore Hybrid Azalea 'Debutante' is a very beautiful variety with romantic soft, pure pink flowers. It belongs to the Encore series, which has transformed Japanese Azaleas into plants that are almost as decorative as roses, with successive and spectacular flowerings. This lovely evergreen bush blooms two to three times a year depending on the climate: first in abundance at the end of winter or the beginning of spring, then during the summer before a beautiful resurgence in late summer or early autumn. Thriving in full sun or partial shade and relatively hardy, the Encore hybrid Azaleas are very versatile and come in a variety of styles, with single or double flowers, more or less compact and in a range of colours including white, red, various shades of pink, salmon, and orange vermillion. Mix them together to create either rustic flowerbeds or more sophisticated displays. Like all Azaleas, 'Debutante' prefers non-calcareous soils, moist but well-draining, and fertile enough to sustain its multiple flowerings.

From a botanical point of view, Azaleas are actually Rhododendrons, plants from the large Ericaceae family. The hybrids from the Encore series, distributed by Globe Planter, were created thanks to Buddy Lee, a talented American nurseryman specializing in these plants. These quite fantastic Azaleas are the result of a long process of hybridisation and selection, with the aim of obtaining varieties capable of flowering several times a year, as well as withstanding the sun.

 

'Debutante' is a large variety, with a rather upright bushy habit and a slightly rustic appearance. The shrub reaches approximately 1.20 m (3 ft 11 in) in height by 1 m (3 ft 4 in) in spread, and is rather slow-growing, though slightly faster than the classic Japanese Azaleas. Its first particularly abundant flowering, starts in March-April. It takes the form of single, pastel pink flowers, punctuated with a few small darker spots in the centre. They measure approximately 6 cm (2.4 in) in diameter, are funnel-shaped, and gathered in small terminal clusters. A second wave of flowers begins to form at the end of May, when new shoots appear, bearing new flower buds that will bloom in summer. A final flowering occurs in early autumn, usually in October. The foliage of the Japanese Azalea, more or less evergreen depending on the severity of the winter, consists of small, simple, glossy, elliptical leaves with smooth edges, arranged alternately on the branches. They are a rather light green in spring, darkening in summer. This variety is hardy down to -12/-15°C (10.4 - 5 °F). Azaleas and Rhododendrons have a shallow root system that always needs to be kept moist, but they also dislike waterlogged soil which would suffocate the roots.

 

Japanese azaleas thrive in cool climates with distinct winters, planted in humus-rich and acid soil, such as ericaceous soil. In these conditions, they are very beautiful evergreen shrubs for flowerbeds or pots, attractive all year round. They harmonise beautifully with heathers, Japanese maples, or their relatives, Chinese Azaleas, which change their colours with the seasons. Combine them with flowering cherry trees, Japanese camellias, and their graceful, often fragrant, autumn-flowering cousins, the Camellia sasanqua hybrids. This 'Debutante' variety look wonderful in a large, cool, moist rockery or at the front of flowerbeds in a small Japanese or romantic-style garden. It will also make a beautiful subject to adorn a terrace or balcony, planted in suitable soil and watered with lime-free water.

Azalea japonica ENCORE Debutante Roblel in pictures

Azalea japonica ENCORE Debutante Roblel (Flowering) Flowering
Azalea japonica ENCORE Debutante Roblel (Foliage) Foliage

Plant habit

Height at maturity 1.20 m
Spread at maturity 1 m
Habit Irregular, bushy
Growth rate normal

Flowering

Flower colour pink
Flowering time April to May, July to August, October
Inflorescence Cyme
Flower size 6 cm

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Botanical data

Genus

Rhododendron (Azalea)

Species

japonica

Cultivar

ENCORE® Debutante 'Roblel'

Family

Ericaceae

Other common names

Japanese Azalea

Origin

Cultivar or hybrid

Product reference887691

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Planting and care

The Encore hybrid Azalea does well in sun (not too intense), but its favourite position is in partial shade, especially in hot and very sunny regions. Plant it in a humus-rich and well-drained, alkaline-free soil. When planting, make sure not to bury the root ball too deep, it should be level with the surface of the soil. Water copiously with lime-free water during dry periods, at least once a week in the first year. In spring, apply fertilizer for ericaceous plants. Pruning is not essential but it is a good idea to prune lightly after flowering to keep the plant looking neat. Remove spent flowers to encourage new growth. The Azalea suffers from very few diseases when well established outdoors. It can be attacked by weevils that eat the edges of the leaves and rootlets, and by the famous "Rhododendron lace bug", not often causing significant damage. If the soil is chalky or poorly drained, and if the root ball is planted too deep, the leaves may turn yellow and eventually die. Japanese azaleas do not tolerate the dry environments of our interiors at all.

Planting period

Best planting time March, October
Recommended planting time March to May, September to October

Intended location

Suitable for Meadow, Woodland edge
Type of use Border, Edge of border, Container
Hardiness Hardy down to -12°C (USDA zone 8a) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Sun, Partial shade
Soil pH Acidic
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Humus-rich, well-drained

Care

Pruning instructions Pruning is optional. After the first flowering, remove dead wood and if you need to limit the branches, do so sparingly, as severe pruning could compromise future flowerings.
Pruning Pruning recommended once a year
Pruning time May
Soil moisture Moist soil
Disease resistance Good
Overwinter Can be left in the ground

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