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Azalea japonica ENCORE Ivory Roblev

Rhododendron (Azalea) japonica ENCORE® Ivory 'Roblev'
Japanese Azalea

4,0/5
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Received my order a few days ago, very satisfied with all the other products but very disappointed to receive only a tiny young plant with three small branches, one of which is broken (package reported damaged upon receipt: no impact on the other plants)!! I had already ordered the azaleas AGAIN in light pink and I am very happy with them, but this is the first time I receive such a minuscule plant!!

Nathalie, 30/11/2020

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More information

This Azalea adds the white colour that has been missing from the ENCORE series, which brings together some quite fantastic varieties capable of flowering 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 sun and heat are right. Unlike traditional Japanese Azaleas, these hybrids can also be grown in the sun. 'Ivory' forms a bushy habit, 90 cm (35.4 in) in height and 80 cm (31.5 in) wide , with a small evergreen foliage of shiny dark green and beautiful single, flowers initially purple-pink, eventually turning to white. To be grown in non-chalky, moist but well-draining, rich soil. Hardiness: -12/-15°C (10.4 - 5 °F).
Flower size
5 cm
Height at maturity
90 cm
Spread at maturity
80 cm
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 Ivory Hybrid Azalea illuminates the garden for months with its flowers that change from pale pink to pure white. This lovely variety is part of the Encore series, which has made the Japanese Azalea, now with successive and spectacular flowerings, a plant almost as decorative as the rose. This compact and bushy shrub, adorned with small evergreen leaves, blooms two to three times a year, depending on the climate: first, abundantly in late winter or early spring, then during the summer before a beautiful resurgence in late summer or early autumn. Comfortable in full sun or partial shade and relatively hardy, the Encore series hybrid Azaleas are very versatile and there are varieties to suit all tastes, with single or double flowers, more or less compact, in a range of varied colours including white, shades of pink, salmon, and orange vermillion. Mix them together to create rustic beds or more sophisticated displays according to your desires. Like all azaleas, 'Ivory'  prefers non-calcareous soils, moist but well-drained, and fertile enough to sustain its successive 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.

 

'Ivory' is a modest-sized variety, with a dense, rather upright bushy habit. The shrub reaches about 90 cm (35.4 in) in height and 80 cm (31.5 in) in spread by the age of 10, growing rather slowly. Its first, particularly abundant, flowering starts in March-April in the form of single flowers that open in pale mauve before turning a pure white. They measure about 5 cm (2 in) in diameter, are funnel-shape, and gathered in terminal clusters. A second wave of flowers begins to appear from the end of May, when new shoots appear, already bearing new flower buds that will open in summer. A final flowering takes place 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 rather light green in spring, darkening in summer. This variety is hardy down to -12/-15°C. Azaleas and Rhododendrons have a shallow root system that always needs to be kept moist, but they also dislike waterlogged soil which would suffocate them.

 

Japanese Azaleas thrive in cool climates with distinct winters, planted in humus-rich, acidic soil, such as ericaceous soil. In these conditions, they are very beautiful evergreen shrubs for beds or flowering pots, attractive all year round. They harmonise perfectly 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, Camellia sasanqua hybrids. This 'Ivory' variety will look wonderful in a large, cool rockery or at the front of beds in a small Japanese or romantic-style garden, and also on a terrace or balcony, in a large carefully chosen pot, planted in suitable soil and watered with lime-free water.

 

Azalea japonica ENCORE Ivory Roblev in pictures

Azalea japonica ENCORE Ivory Roblev (Flowering) Flowering
Azalea japonica ENCORE Ivory Roblev (Plant habit) Plant habit

Plant habit

Height at maturity 90 cm
Spread at maturity 80 cm
Habit Irregular, bushy
Growth rate normal

Flowering

Flower colour white
Flowering time April to May, July to August, October
Inflorescence Cyme
Flower size 5 cm

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Botanical data

Genus

Rhododendron (Azalea)

Species

japonica

Cultivar

ENCORE® Ivory 'Roblev'

Family

Ericaceae

Other common names

Japanese Azalea

Origin

Cultivar or hybrid

Product reference887722

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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 top 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 signficant 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.

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 flowering, remove dead wood and if you need to limit the branches, do so sparingly, as severe pruning could compromise the following year's flowering.
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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