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Azalea japonica Madame Galle

Rhododendron (Azalea) japonica Madame Galle
Japanese Azalea

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A cultivar with generous funnel-shaped blooms of intense reddish-pink in April and very decorative green and bronze, evergreen foliage. It is a small, upright shrub with an irregular habit, wider than it is high, making it ideal for planting in a bed with other Japanese Azaleas of different shapes and sizes. Best planted in semi-shade in humus-rich, well-drained, moist, lime-free soil.
Flower size
6 cm
Height at maturity
70 cm
Spread at maturity
1 m
Exposure
Partial shade
Hardiness
Hardy down to -15°C
Soil moisture
Moist soil
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Best planting time March, October
Recommended planting time February to May, October to November
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Flowering time April
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Description

Japanese Azalea 'Madame Galle' is an ornamental variety for all seasons, with its abundant, funnel-shaped, deep pink-red spring flowers and shiny, evergreen foliage in green and bronze! It is a small shrub with an irregular, upright habit, wider than it is tall, making it perfect for an ericaceous border. The almost purple to black tones of its foliage provide a striking contrast with its vibrant flowers, and brighten up borders containing the more common, dark green-leaved Japanese Azaleas. Hardy and robust, it should be planted in semi-shade in humus-rich, well-drained, moist, lime-free soil.

The 'Madame Galle' Azalea is part of a series of evergreen hybrids closely related to the original Rhododendron kaempferi created in 1921. These shrubs perform well in cool, damp temperate climates with distinct seasons.

'Madame Galle' is a medium-sized variety with an irregular upright habit that spreads with age. Slow-growing, it reaches approximately 70 cm (27.6 in) in height and 1 m (3 ft 4 in) in spread by the age of 10. Its truly dazzling flowers bloom over a long period in May. The very large 6 cm (2.4 in) diameter flowers with beautifully wavy edges are a stunning bright carmine-red. They are funnel-shaped and grouped in terminal clusters of 4 to 5 . The evergreen foliage consists of small, simple, elliptical leaves with smooth edges, arranged alternately on the branches. They are fairly light green in spring turning dark green and bronze in late summer. 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, ericaceous soil. They are very attractive evergreen shrubs for borders or containers, attractive all year round. They are a perfect accompaniment to heathers, Japanese maples, or their relatives, Chinese Azaleas, which change colour with the seasons as well as Japanese camellias, and their graceful, often fragrant, autumn-flowering cousins, the Camellia sasanqua hybrids. This 'Madame Galle' variety, which spreads more in width than in height, allows you to play with levels and fill the gaps beneath larger ericaceous shrubs. It will look wonderful in a large, cool, moist, shaded rock garden or at the front of borders, as well as on a terrace or balcony, in a large, carefully chosen pot with suitable compost and lime-free water for watering. Combine its bronze foliage with the purple foliage of the 'Crimson Queen' Japanese Maple or the orange foliage of 'Orange Dream' Japanese Maple.

 

Azalea japonica Madame Galle in pictures

Azalea japonica Madame Galle (Flowering) Flowering

Plant habit

Height at maturity 70 cm
Spread at maturity 1 m
Habit Irregular, bushy
Growth rate slow

Flowering

Flower colour pink
Flowering time April
Inflorescence Cyme
Flower size 6 cm

Foliage

Foliage persistence Evergreen
Foliage colour dark green

Botanical data

Genus

Rhododendron (Azalea)

Species

japonica

Cultivar

Madame Galle

Family

Ericaceae

Other common names

Japanese Azalea

Origin

Cultivar or hybrid

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Planting and care

The 'Madame Galle' Japanese Azalea thrives in rather shaded locations unlike the Chinese Azalea, but its preferred situation is in partial shade. Plant it in an ericaceous or humus-rich, well-drained and lime-free soil.  Make sure not to plant the root ball too deep, it should be level with the surface of the soil. Water copiously with alkaline-free water during dry periods, at least once a week in the first year. In spring, apply a 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", though not often causing significant damage. If the soil is chalky or poorly drained, or if the rootball is too deep, the leaves may turn yellow and eventually die.

 

Planting period

Best planting time March, October
Recommended planting time February to May, October to November

Intended location

Suitable for Woodland edge
Type of use Border, Container
Hardiness Hardy down to -15°C (USDA zone 7b) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Partial shade
Soil pH Acidic
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, humus-rich, well-drained.

Care

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

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