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Rhododendron Belkanto Inkarho - Hybrid Rhododendron

Rhododendron x hybrida Easydendron® INKARHO Belkanto
Hybrid Rhododendron, Rhododendron

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More information

Graden Merit
A relatively low Rhododendron from the Inkarho range, slightly spreading, which is covered in May with large frilly flowers, coloured in flesh pink on a creamy yellow background, warmed by green at the heart. Rhododendrons from the Inkarho range are more tolerant than traditional varieties towards clayey, loamy or even slightly chalky soils. They can be grown like hydrangeas, in partial shade, in deep, loose and moist soil.
Flower size
10 cm
Height at maturity
1.20 m
Spread at maturity
1.20 m
Exposure
Partial shade, Shade
Hardiness
Hardy down to -15°C
Soil moisture
Moist soil
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Best planting time March to April
Recommended planting time February to May, September to October
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Flowering time May to June
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Description

Rhododendron Easydendron Belkanto Inkarho is a hybrid variety that opens its orange buds into delicate flowers with fringed edges, creamy yellow with a blush of pink, speckled with green. It is part of the Inkharo range, which includes hybrids that are more tolerant of limestone and clay in the soil. Very hardy and semi-early, it forms a bush as wide as it is tall, with evergreen leaves of medium green. This selection has received an Award of Garden Merit from the Royal Horticultural Society in England. In a large flowerbed, in a hedge or at the edge of trees, Belkanto can thrive in soil other than peaty soil, such as slightly limestone or slightly heavy soil.

Rhododendrons are plants in the heath family, just like heathers. The story of the Inkarho Rhododendrons, somewhat revolutionary plants, began in Germany over 20 years ago. The discovery of a rhododendron naturally growing in a chalk quarry made it possible to graft different varieties onto its extraordinary root system. The bushes obtained by this method tolerate a wide range of soils with a pH ranging from 4.5 to 7.5, as long as they are loose, fertile, moist, and not excessively limestone-rich. In summary, a soil that would suit hydrangeas. The Belkanto cultivar forms a large, branching bush with a dense habit, reaching approximately 1.20 m in height at the age of 10 years and 1.20 m in width, under good growing conditions, in open ground. Its growth is rather slow. Its large leaves are elliptical, medium green and glossy on the upper surface, with a lighter, downy underside. They persist through winter. Around mid-May, for approximately 3 weeks, large flower buds bloom at the ends of the branches in large spherical clusters, composed of petals fringed along the edges. The centre of the flower is speckled with green and has long orange stamens. The petals are creamy yellow, washed with shades of pink and peach.

Rhododendron Belkanto is a very hardy plant, down to -15° C, at least. It is relatively tolerant in terms of exposure, we recommend planting it in non-scorching sun or partial shade, preferably to the east where it benefits from morning sun while being protected from excessive heat. In the garden, with its abundant and delicate flowering, it easily dresses up a shaded area of the garden, alongside Ferns, blue or variegated Hostas, Pieris, shrubby Heathers, Kalmias, Azaleas, and Japanese Maples, or other rhododendrons from the same group to create stunning patchworks of textures and colours. More versatile, it can also be planted alongside many other flowering shrubs, not necessarily acid-loving: hydrangeas, mock oranges, Japanese quinces, butterfly bushes, abelias, or autumn camellias. Japanese Anemones will also be good companions, as well as bugbanes and foxgloves, in woodland areas.

Plant habit

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

Flowering

Flower colour yellow
Flowering time May to June
Inflorescence Corymb
Flower size 10 cm
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Evergreen
Foliage colour medium green

Botanical data

Genus

Rhododendron

Species

x hybrida

Cultivar

Easydendron® INKARHO Belkanto

Family

Ericaceae

Other common names

Hybrid Rhododendron, Rhododendron

Origin

Cultivar or hybrid

Product reference191510

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Planting and care

Plant Rhododendron Belkanto Inkarho in a partially shaded position, protected from cold and drying winds, in moist, loose, fertile soil. It should be only slightly calcareous, neutral or acidic, a soil that will suit a hydrangea. Dig a hole three times larger than the pot volume. Soak the root ball in water and plant the bush at the collar level, in a nourishing mix composed of leaf compost, gravel or pumice, and loam or topsoil, as Inkarho Rhododendrons are hungry plants. Water generously and keep the soil moist in summer. Azaleas and Rhododendrons have a relatively shallow root system. As a result, they are sensitive to long periods of drought. That's why humus-rich soil and abundant watering during dry periods are recommended. Apply a layer of wood chip mulch or mulch around the base of the bush every spring to maintain soil moisture while keeping the pH slightly acidic. Maintenance consists of removing faded flowers after flowering and cleaning dead branches.

Azaleas and Rhododendrons can sometimes be attacked by weevils that eat the edge of the leaves and rootlets, as well as the famous 'rhododendron beetle' which does not often cause severe damage. There are effective natural solutions against weevils. Yellowing of the leaves (chlorosis) in Rhododendron 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 a deeply planted root ball can also explain the phenomenon.

Planting period

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

Intended location

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

Care

Pruning instructions If pruning is necessary, it should be done immediately after flowering. Pruning too late would remove the buds and compromise flowering the following year.
Pruning No pruning necessary
Soil moisture Moist soil
Disease resistance Good
Overwinter Can be left in the ground

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