Description of the Ledebour rhododendron variety, planting and care, cultivation features

Description of the Ledebour rhododendron variety, planting and care, cultivation features

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Flowering shrubs are often used for decorative decoration of personal plots and gardens. With the help of such plants, even the most unattractive parts of the garden acquire a fabulous beauty and decorative effect. It is these types of shrubs that the rhododendron of the Ledebour variety belongs to.

Brief definition

Rhododendron Ledebour is an evergreen, frost-hardy shrub with an early flowering period. Most flower growers know the plant as wild rosemary or maral. In its natural environment, the Ledebour rhododendron is found on the slopes of the mountains, coniferous and deciduous forests of the Altai Territory, Mongolia and the Far East, therefore it is resistant to sudden changes in temperature and severe frosts.

Detailed description

The Ledebour rhododendron shrub belongs to the heather family, therefore, it has characteristics specific to its type:

  1. An evergreen plant with straight, upward brown thin branches.
  2. The height of an adult bush is from 1.5 to 2 meters.
  3. Young seedlings of bright green color with a lemon tint.
  4. Green foliage with an olive tint covers the plant tightly. Leaves are small 2-3cm.
  5. The inflorescences are large. The bloom is vigorous, bright purple flowers with a pink tinge cover the bush completely.
  6. High frost resistance. In winter, the leaves curl up into a tube, but at the slightest warming, they immediately straighten out.
  7. The shrub blooms twice a year, in spring and autumn.

Important! Rhododendron Ledebour is a durable plant with excellent decorative qualities. And with proper care, the shrub will become a long-liver in the garden for decades..

History of origin

This species of wild rosemary was discovered during a scientific expedition to Altai at the end of the 19th century, led by a German botanist. It was in honor of him that the rosemary variety got its name.

Healing properties

Leaves of the plant, which contain a high content of essential oils, amino acids, micro and macroelements, have healing properties. The collection of leaves is carried out during the period of active flowering of the shrub, after which they are dried and used for medicinal purposes.

Infusions and decoctions of Ledebour's rhododendron have anti-inflammatory and bactericidal properties, and also increase the tone and immunity of the body. However, in cattle, goats and sheep, the plant causes severe poisoning.

Distinctive features

Based on the harsh conditions of its natural habitat, the shrub has some differences from its counterparts in appearance:

  1. Rhododendron Ledebour is resistant to severe frosts. It easily tolerates winter frosts down to -32 degrees. But during the winter thaws, the plant quickly wakes up from sleep, so subsequent frosts can harm the already activated rhododendron.
  2. The aroma during flowering is possessed not only by the lush inflorescences of the shrub, but also by its succulent leaves. After all, they contain a large amount of essential oil.

Today there are more than 3 thousand varieties of this plant, but Ledebour's rhododendron is still considered one of the most beautiful shrubs among its relatives.


The shrub is not picky about care, but there are points that must be considered when growing Ledebour's rhododendron.

Site and soil selection

For planting Ledebour seedlings in open ground, certain conditions are needed:

  1. The soil for seedlings is preferable to stony, with a high acid content. It is in such a soil that rhododendron grows in its natural environment.
  2. He does not like winds and drafts, so the site for seedlings must be protected from them.
  3. For active flowering, the shrub needs sunlight, but the plant does not like direct rays. The land plot for planting a rhododendron should be slightly shaded.
  4. Plants with a deep equine system are chosen as neighbors of rhododendron. The shrub has roots close to the surface, so the same neighbors will become a big hindrance to the growth and development of the shrub.
  5. The plant grows well and develops on the shores of small bodies of water. It can be an ornamental garden pond or stream.

Important! Large inflorescences require additional sunlight on the plant.

Selection of seedlings and planting dates

Although the rhododendron is distinguished by its viability, the choice of planting material must be carefully and carefully. It is best to buy young seedlings in specialized nurseries or garden centers. There, professional consultants will offer really healthy and robust plants.

To purchase planting materials at exhibitions, you must have the knowledge of an experienced gardener:

  1. A 2-3 year old seedling has a large number of dense shoots.
  2. Leaves without damage or knots. Also, there are no spots, streaks and irregularities on them.
  3. The root system is not overdried, without nodules and damage.
  4. Low seedlings, 15-20 cm., A guarantee that they were grown in the open field, so the process of planting a young plant will be easier to transfer.

Plants grown in greenhouses are higher, but they get used to open ground more difficult and longer. The shrub is planted on the site in early spring or autumn, the main thing is that the work does not take place during the active flowering phase.


To plant the Ledebour rhododendron, a hole is pulled out to a depth of 50 cm, 60 cm in diameter, into which peat and clay are placed. Before planting, the seedling must be kept in water for 2-3 hours, if the root system is overdried, then the period is increased to 10 hours.

The seedling is inserted into the hole, the root system is neatly laid out and sprinkled with soil mixture. There should be no empty land areas between the roots. The soil around the planted plant is compacted and watered abundantly.

Important! The shrub has thin roots that are close to the soil surface. Therefore, it is advisable to support young plants with support pegs before rooting..


The shrub is distinguished by its frost-resistant qualities. He easily survives the winter at -32 degrees. But in extreme heat, rhododendron requires shading and additional moisture. Especially, the temperature regime is important in the formation of buds. During this period of time, the most comfortable temperature for the plant will be 15-17 degrees.


Ledebour's rhododendron is a moisture-loving plant, so irrigation work is carried out often. The flowering of a shrub directly depends on its watering. The first sign that the bush lacks moisture is withered, yellowed leaves.

Irrigation works are carried out with settled water. Also, to increase the acids in the soil, a little peat is added to the water. In drought and hot weather, it is advisable to shade the bush and spray it. Active watering of the shrub is necessary from spring to autumn; in the winter season, rhododendron is not watered.

Top dressing and loosening

The Ledebour rhododendron shrub, like other plants, needs additional feeding. Fertilize it from the first year of planting in open ground. In early spring, they are fed with organic fertilizers. Next, small doses of nitrogen and phosphate fertilizers are added. Mineral fertilizers are used with caution, because they sharply reduce the acidity of the soil.

The root system of the bush is located close to the upper layers of the soil and suffers greatly from weeds, which take away moisture and nutrients from it.

Weed and loosen the soil under the bushes carefully, without damaging the roots of the plant. To protect the rhododendron from external influences and weeds, the soil is mulched with sawdust, needles or garden mulch.


Rhododendron bushes are able to keep their beautiful shape for a long time on their own. Therefore, formative pruning is carried out as needed and only for the central branches. But every spring and autumn, they do sanitary pruning of dried, broken and damaged branches.


The shrub is easy to change location. It is best to replant the rhododendron in early spring, but before the flowering of the shrub. If it was not possible to transplant the plant in the spring, then the work is postponed to September or October. After transplanting, the plant will grow faster and gain new strength for vigorous flowering.


Rhododendron tolerates mild winters down to -10 degrees. At such temperatures, the shrub does not need additional insulation. After snowfall, small drifts are created around the plant, which protect the rhizome from freezing. In regions with severe winters, the shrub is insulated with spruce branches or burlap. Warming is removed with the first spring thaws.


With proper and timely care of the shrub, its flowering periods will occur twice a season.

When and how

The first period of active flowering of the shrub occurs in the spring. Depending on the regions in April or May. The second time the bush blooms at the end of summer and is in the active flowering phase for up to 4 weeks.

What to do before and after

Before the beginning of spring flowering, the shrub needs sanitary pruning. And during flowering, the plant needs sunlight and abundant irrigation procedures. After flowering, fallen leaves and buds are removed.

Solution of problems

If the shrub has not bloomed, then this means that after the last flowering period, the faded inflorescences were not cut off in time, because only by removing them, space is made available for the formation of new buds.

Diseases and pests

Rhododendron is susceptible to various diseases and insects.

Spider mite

The bushes are attacked by a spider mite, they are carefully examined and treated with a solution of the fungicide preparation. The procedure is carried out, if necessary, from 2 to 3 times, with an interval of 10 days.

Snails and slugs

Frequent guests of the plant are snails and slugs. The method of dealing with these pests is simple: they are harvested by hand and then burned.

Mealybug, rhododendron bugs and flies

Having found pests on the shrub, the following measures must be taken:

  1. Inspect the plant carefully, and, if possible, collect all obvious pests.
  2. Spray the entire shrub with special preparations of the insecticide group.

How to propagate

Ledebour's rhododendron reproduces in different ways:

  1. Seeds. To propagate a shrub in this way, you must have the experience and experience of a professional gardener.
  2. When propagated by cuttings, strong, viable plants are obtained, which, after aging in a greenhouse or at home, are planted in open ground.
  3. Layers. Adult bushes have many young shoots, which are buried in the ground in spring and left there until autumn. At the end of the autumn period, the layers are dug up and cut off from the mother bush along with the formed root system. As a result, they get independent shrubs that can survive wintering in the open field.

Prevention of various problems

To prevent the plant from dying, preventive treatments with special preparations are carried out every spring and autumn. If the procedures are not carried out in a timely manner, then fungal and putrefactive diseases can destroy a beautiful, flowering bush.

For the prevention of fungal and putrefactive diseases, the bush is treated with Bordeaux liquid.

Important! Preventive treatments are carried out after the flowering period of the rhododendron.

Use in ornamental gardening

Compact bushes of Ledebour's rhododendron, planted in a personal plot or in a garden, will become the center of the floristic composition.

Flower arrangements of the middle level

Ledebour's rhododendron is often used as the basis for creating alpine landscapes and slides. And in combination with small stones, the shrub will not only become a decoration of the site, but also get a natural interior that is familiar to itself.

Groups of plants along the paths

If a group of plants is planted along paths or fences, then you get a hedge that will decorate the landscape of the infield.

Against the background of coniferous trees

Rhododendron bushes combined with conifers will create a vibrant composition. In this case, the shrub is planted in front of the trees. And during the period of active flowering of the shrub, the composition becomes the center of the garden plot.


Irina. Moscow region:

Ledebour's rhododendron was planted 5 years ago. Every year it blooms more and more beautifully. Now she is preoccupied with breeding this miracle of nature.

Evgeny Nikolaevich. Ekaterinburg:

I bought the first seedling of this bush 7 years ago. I thought that it would not survive in our winters, but I was mistaken. Now I have the whole area planted with Ledebour's rhododendron. We admire beautiful flowers with the whole family twice a year.

Anna. St. Petersburg:

Last spring they planted this incredibly beautiful plant, the Ledebour rhododendron. Immediately after disembarkation, buds with buds appeared, but then for some reason they fell off. They wrapped him up for the winter and now we are waiting for what will happen in the spring.

Watch the video: Rhododendron Varieties and How to Grow them. (August 2022).