Features of the hybrid rhododendron: a description of the subsorts, the rules of care and a photo of the plant

The genus of the rhododendron hybrid is quite popular and well distributed among domestic flower growers.

Highly ornamental shrubs, abundantly planted with lush inflorescences, are widely used in the design of landscape areas, landscaping of garden and park zones in many countries of the world.

But you can grow a bush yourself, in your garden. It is enough to know the peculiarities of planting, care and propagation of this culture, unusual for our latitudes. Differ in special frost resistance and magnificent blossoming.

Definition

The numerous genus of rhododendrons of the heather family has such a large number of hybrid species and subspeciesthat their classification in the scientific community often causes a lot of controversy and amendments. Homeland - China, Himalayas, Caucasus, North America.

Description

Grows evergreen and deciduous shrubs. The growth rate is slow or medium. Rhododendrons hybrid bloom magnificently, have a horizontal, spherical and vertical crown shape. Hybrid varieties of rhododendrons can be in the form of a cup, bell, flowers can be tubular and flat. Flowers are different in size. Blooms in bright colors.

Various colors:

• variegated with spots;
• white
• orange
• reds;
• pink.

It grows very compactly. Fragile, thin shoots are very branching, densely arranged, constant pruning is required. The root is fragile, superficial. Leaves can be small and medium - up to 5 cm. Leaves are glossy, dense, slightly oblong, lanceolate. They have a deep dark green color. Deciduous varieties change the color of leaves, in the fall they become bright red, orange.

History of occurrence

Natural varieties grow in the East - Africa, Korea, Japan, and in Europe - the mountainous regions of Germany. Breeders bred hybrid varieties of evergreen rhododendrontherefore they are called hybrid.

Differences

Some subspecies, for example, the varieties Grishtede, Boleslav the Brave, with proper care, bloom repeatedly in mid-autumn. Hybrid rhododendrons are decorative and frost-resistant. These varieties are sufficiently resistant to diseases.

Description of subsorts and their photos

Kalsap

A tall bush, in adulthood reaches 120 - 130 cm in height and width. Crohn is wide. The flowering is dense and generous, occurs at the end of May. The leaves are dense, covered with a gloss, saturated dark green color, medium size, up to 7 - 8 cm. The flowers are milky white, with dark bard spots - placers. The variety is resistant to frost.

Anneke

Consider the description of the large-flowered rhododendron, which has a wide straight crown, up to 1 m. The shrub has an average height, grows up to 50 cm in height. An adult bush can grow up to 1 - 1, 5 m. It blooms in late May. The flower is quite resistant to frost. The flowers are large, bright yellow, similar in shape to bells. This variety is used in southern areas, decorating gardens and parks.

Midnight Mystic

It grows to 90 - 100 cm in height. The crown is wide, spherical. It has an average frost resistance - up to - 18 ° С. Shelter for the winter is required. The color of the flowers is light pink, with a wide raspberry border. In shape, the flowers are curly, curly. The petals are decorated with dark and yellow dots. It blooms in early May.

Gristede

He is called so because of the density of his crown - thick and compact. The leaves are elongated, small, shiny and dense in structure, dark green in color. The bush is evergreen. Blooms in early summer. The flowers are small, up to 2 - 3 cm, numerous. Coloring gently - purple with a bluish tint. Frost resistance is average - mulching and winter shelter is required.

Cosmopolitan

Evergreen shrub, an adult flower can be up to 4 m high. It is distinguished by high frost resistance - can withstand up to -29 ° C in winter. The leaves are large, oblong, dense and shiny. The flowers are pale pink, with a burgundy scattering of spots and dots. Stamens are curly.

Lita

The loose bush grows to 120 - 130 cm in length and grows to 1.5 m in width. It is distinguished by its high resistance to frost, up to -30 - 35 ° С. The flowers are pink with a wavy border, inside the flower there is a bright yellow - green spot. Variety bred in Latvia.

Boleslav the brave

Royal, expensive variety named after the son of the Polish king. It grows to 1.5 m in height and grows to a meter in width. It is frost-resistant, can withstand in winter up to - 30 - 35 ºС (read about frost-resistant rhododendrons here). Shelter is not necessary. The flowering is plentiful, the crown is dense. The flowers are purple with a pattern of dark yellow. It blooms in late May and again in late summer. Flowers are collected in inflorescences of 10 - 12 in each. The leaves are slightly convex, oblong, dense.

Blue silver

The variety is called Blue Silver, consider its characteristics. Creeping shrub, branches intertwine, grows up to 90 - 100 cm in height. Growing slowly. Frost resistance is average, up to - 23 ºС in the winter. The flowers have the shape of an asterisk, at the beginning of flowering pale pink, then the petals darken, become amethyst. The flowers are small - up to 2 - 3 cm. Stamens grow in a bunch.

Knowing the characteristics and description of such a sub-grade of rhododendron as Blue Silver, below you can see the photo:

Ann lindsay

Derived subassortment in Poland, considered royal. It is particularly resistant to harsh winters.. The evergreen bush grows to 80 - 90 cm in height and the same width. It grows slowly, branches well, the shape of the crown is round. The leaves are shiny, dense, lanceolate, slightly convex. The flowers are saturated pink, collected in inflorescences of 12 to 15 flowers. It blooms luxuriantly from May to mid-summer.

Krimi chiffon

Evergreen bush, grows up to 1 m in height. The leaves are dark green, medium length, dense, glossy, oblong. The flowers are cream-colored in shape - bells, the border is slightly wavy. The core of the flower is yellowish. The stamens are curved. Inflorescences have a spherical shape, combine 10 to 12 flowers. Frost resistance is average.

The Hague

The Hague is an evergreen shrub, branched, spherical crown. It blooms from mid-June, flowering is short - 2 to 3 weeks. The leaves are dense, glossy, dark green, 13 cm long. The kidneys are red. The flowers are saturated - pink in color, wavy along the edges, up to 5 - 6 cm in length, petals with red - orange dots. Inflorescences are dense, up to 15 flowers in each. The variety is very hardy.

Speak Orange R9

Fast-growing and frost-resistant variety. The leaves are oblong, saturated green. In the fall they turn orange - yellow. The bush of azalea hybrid Spiks Orange p9 is dense, sprawling, grows to a height of 1, 5 m. The flowers are soft - orange, double, large flowers - cups in shape. Flowers are collected in inflorescences of 10 flowers each. The diameter of the flower is average, up to 7 - 8 cm. It blooms in mid-May, blooms for 3 weeks.

Progress

It is a high-growing bush, the adult flower of which has a two-meter growth. Winter hardiness is sufficient, withstands frosts up to - 27 ° C. It blooms in early May. Leaves are dense, dark green, medium length. The flowers are white - pink, wavy at the edges. Azalea petals. Progress with a scattering of burgundy spots.

Golden Eagle

The bush is deciduous, grows vertically, grows up to 170 - 180 cm in height, the diameter of the funnel-shaped crown is 1 m. It grows slowly, the bush is dense. The leaves are long, up to 10 cm. Wide - 5 cm, bright saturated green color. Shiny, tight. In autumn, change color to orange or red. Inflorescences of hybrid azalea Golden needles combine 7 to 9 flowers that bloom simultaneously with the leaves. The flowers are fragrant, reddish-orange, funnel-shaped, with a diameter of 50 - 60 mm. Bloom in May. The variety has an average winter hardiness.

Popsicle

Evergreen shrub up to 1.5m high. It blooms in April or May. Frost resistance is reduced. White flowers with a delicate purple hue. the core is yellow-green. Eskimo requires mulching and shelter for the winter in care.

You can also take a look at the photos of other sub-grades of rhododendron hybrid:

Bloom

When and how

Early varieties bloom in April, but mostly flowering time is late May - early June. They bloom generously, abundantly, some varieties may bloom a second time, in mid-autumn.

Before and after

During bud formation, the temperature should be reduced to 10 ° C. During flowering, the temperature can be increased by 5 degrees, while good lighting is needed. After flowering, young, elongated shoots are pruned for further cuttings. Old inflorescences are recommended to be cleaned.

In the active period of flowering, do not spray - ugly spots appear on the flowers.

What to do if it does not blossom?

Be sure to examine the bush for the presence of parasites and pests - they inhibit the growth and flowering of hybrid rhododendrons. Perhaps the flowers lack moisture. It is necessary to adjust watering, put a pot of ice on it. In summer, daily spraying of foliage is required.

Perhaps the substrate is not enough minerals, you can feed fertilizers for this particular type of rhododendron.

Use in landscape design

Hybrid rhododendrons are planted along the curbs. These varieties look good in coniferous compositions, on lawns and lawns. High grades serve as hedges on retaining walls of gardens. Grown in huge flowerpots and drawers on the loggias.

Step-by-step care instructions

A place

It does not tolerate direct sunlight, prefers partial shade in a place protected from through wind. It is better to plant near conifers, ponds. It requires good moisture, close to the natural conditions of the tropics. It is better to choose plots adjacent to the northern part of the cottage or house.

The soil

The soil must be acidic; when irrigated, purified acidified water must be used.

Drainage is required.

The composition of the substrate:

• Sheet earth - 3 hours.
• Peat - 2 hours.
• Coniferous litter - 1 hour.
• Granules of mineral fertilizers.

Landing

Planting time is late spring and autumn.

1. They dig a landing hole more than 2 times in volume than the root system.
2. Pre-prepared earthen mixture.
3. A drainage layer of 10-15 cm is desirable; it is laid out at the bottom of the pit.
4. The bush is placed vertically. The substrate around the root is well pressed, there should be no air pockets in the planting soil. Fall asleep on the root neck.
5. Mulching is mandatory - use peat chips or sawdust.

Temperature

Optimum temperature for hybrid rhododendrons - 10 - 15 ° C. In summer, in the heat during shading and regular spraying, this species can tolerate heat at 25 - 30 ° C. Hybrid varieties of rhododendron are quite frost-resistant, they can withstand temperatures down to -25 ° C.

Watering

At the time of transplantation or transplantation, the rhododendron hybrid requires abundant hydration to a depth of 25-30 cm of the substrate. In summer, watering daily with warm, purified water. In winter and autumn, watering is reduced.

In late autumn and winter, you can only water in dry weather.

Top dressing

In the first year after planting, hybrid rhododendron varieties require top dressing - portions are reduced, the solution is well diluted. Organic fertilizers: manure well diluted in water.

Superphosphate in granules is also used to prolong flowering and form new buds.

Fertilizer with microelements - spray the leaves. Intensive fertilizer - 1 time per week until the end of summer. Combine with watering.

Pruning

To maintain a beautiful, compact crown shape and preserve flower buds, Regular pruning of old shoots by a third is required. Pruning is done 3 weeks after flowering.

Transplantation

Transplantation is carried out in early spring, it can be transplanted before and after flowering. Hybrid rhododendrons quickly adapt to new conditions.

When transplanting, the planting bush is surrounded by a rim of moss and coniferous needles, 10 cm high.

Preparation for winter

For winter it is better to cover young rhododendrons of hybrid varieties with spruce branches or other dry shelter. In late spring, shelter is removed gradually to avoid sunburn.

Propagation Features

This species can be propagated by cuttings:

1. When the kidneys begin to be laid, cuttings are cut with a length of 7 - 9 cm.
2. Before planting, the cuttings are dipped for a day in a solution with any root growth stimulator.
3. Then, for rooting, they are planted in a ready-made special substrate to a depth of 2 cm.
4. Seedlings take root very slowly.

Diseases and Pests

• Hybrid rhododendrons are most often attacked by garden snails and slugs. It is necessary to collect and destroy them.
• A soap solution will help get rid of the spider mite.
• From a mealybug, a rhododendral bug, spraying with any insecticides - actar or phytoverm helps.
• The preventive procedure should be repeated 3 to 4 times with an interval of 9 to 10 days.

Prevention

With proper care, hybrid rhododendrons are quite resistant to diseases and pests.. Problems can arise from severe waterlogging of the soil, improperly applied fertilizers or fungi. To get rid of rust, chlorosis and other fungi, processing is required - watering and spraying with fungicides.

But if you follow all the rules of irrigation, withstand the necessary temperature conditions, it is enough to moisten the air, cut and feed the hybrid rhododendron in time, you can expect good development and generous flowering.