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Japanese Azalea Silver Queen

Rhododendron (Azalea) Silver Queen
Japanese Azalea

4,9/5
7 reviews
1 reviews
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My naked young plant arrived a bit small and a little sad after its journey in April 2022. Today, it is magnificent, as shown in the photos!

Isabelle, 25/05/2023

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This plant carries a 24 months recovery warranty

More information

Value-for-money
Small evergreen bush with dense variegated green and white foliage, and a flowering of fuchsia pink that stands out from its foliage in spring.
Flower size
5 cm
Height at maturity
50 cm
Spread at maturity
80 cm
Exposure
Partial shade, Shade
Hardiness
Hardy down to -12°C
Soil moisture
Moist soil
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Recommended planting time February to May, September to October
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Flowering time April to May
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Description

The 'Silver Queen' Japanese Azalea, also known as the hybrid Rhododendron, is a small evergreen bush with dense variegated green and white foliage, and pink fuchsia flowers that stand out from its foliage in spring.

 

Originally from Japan, the 'Silver Queen' Azalea forms a compact, rounded bush that reaches 50 cm (19.7 in) in height and spread at maturity. Its persistent, elongated, and leathery leaves are variegated with white throughout the year. Its foliage is just as decorative as its flowering. During the months of April and May, this small bush forms clusters of open trumpet-shaped flowers measuring 5 cm (2 in) in diameter. They are a beautiful pink fuchsia colour and will make you forget about its variegated foliage for a few months. A highly anticipated event in your garden!

Hardy down to -12°C, the 'Silver Queen' Japanese Azalea requires a bright exposure, but without direct sunlight. Ideally, plant it in partial shade, in a location protected from cold and dry winds. This small slow growing bush loves fresh, humus-rich, and well-drained soil with an acidic tendency.

The 'Silver Queen' Azalea dresses up heather beds all year round with its variegated foliage and brings gardens to life in spring with its abundant colourful flowers. Plant it on a slope, in a shaded rockery, or along the edge of a bed alongside Pieris, Heathers, Kalmias, Andromedas, Chinese Azaleas, and Japanese Maples.

 

Divided into 2 horticultural groups, the genus Rhododendron includes on one hand Chinese and Japanese Azaleas with small persistent or deciduous leaves, equipped with 5 stamens per flower, and on the other hand Rhododendrons, with ample, persistent, and glossy foliage and flowers with more than 10 stamens. Although very debatable from a botanical point of view, this classification is still widely used by horticultural professionals.

Japanese Azalea Silver Queen in pictures

Japanese Azalea Silver Queen (Flowering) Flowering
Japanese Azalea Silver Queen (Foliage) Foliage

Plant habit

Height at maturity 50 cm
Spread at maturity 80 cm
Habit Irregular, bushy
Growth rate slow

Flowering

Flower colour pink
Flowering time April to May
Flower size 5 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Evergreen
Foliage colour variegated

Botanical data

Genus

Rhododendron (Azalea)

Cultivar

Silver Queen

Family

Ericaceae

Other common names

Japanese Azalea

Origin

Cultivar or hybrid

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Planting and care

Plant the 'Silver Queen' Japanese Azalea in a semi-shaded position, protected from cold and drying winds, in cool, humus-rich, and light soil with an acidic tendency. Like all plants that prefer acid soil, it cannot tolerate limestone or heavy soil that become waterlogged in winter. Dig a hole three times larger than the pot. Soak the root ball in non-limestone water and plant the bush at its base level in a mixture of 1/4 each of turf, leaf compost, gravel or pumice, and loam. Water thoroughly and keep the soil moist in summer. Azaleas and Rhododendrons have shallow root systems, making them susceptible to long periods of drought. Therefore, it is advisable to enrich the soil with humus and provide abundant watering during dry periods. Additionally, their root system is not very strong, so it is essential to lighten heavy soil with draining materials (gravel, pumice, clay pellets) during planting. Apply a mulch of crushed pine bark around the base of the bush every spring to maintain soil moisture and an acidic pH. Maintenance involves removing faded flowers in summer and clearing dead branches. Azaleas and Rhododendrons can sometimes be attacked by weevils, which eat the edges of leaves and rootlets, as well as the infamous 'rhododendron beetle', which rarely causes severe damage. You can treat them with carbofuran. Yellowing of the leaves (chlorosis) in Rhododendrons indicates poor iron assimilation in the soil and can lead to premature death of the plant. While limestone is often the cause, poorly drained soil or planting too deep can also explain this phenomenon.

Planting period

Recommended planting time February to May, September to October

Intended location

Type of use Border, Free-standing, Container
Hardiness Hardy down to -12°C (USDA zone 8a) Show map
Ease of cultivation Amateur
Planting density 3 per m2
Exposure Partial shade, Shade
Soil pH Acidic
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, Well-drained

Care

Pruning No pruning necessary
Soil moisture Moist soil
Overwinter Can be left in the ground
4,9/5
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