Garden flowers, plants and shrubs

Hortensia serrata: growing conditions, description of varieties


Hydrangeas are shrub flowers with excellent decorative properties, for which they are valued in landscape design. The historical homeland of culture is Asia and South America, and it was introduced to the territory of Europe at the beginning of the XIV century. To date, breeders have bred more than 80 species of plants, but the most popular hydrangea is serrate Bluebird. The shrubs of this flower have a fluffy crown, so they not only look great on their own, but are also well suited for creating hedges.

general information

Hortensia Bluebird serrate (description will be given later) is widespread in Japan. In this country, flowers are used for ennobling and gardening, as well as for decorating gardens and park areas. Bushes can grow in height to one meter or more, and the width of their crowns often exceeds one and a half meters, because of which they resemble large green balls.

Many gardeners liked this variety with bright shades of buds, decorative appearance and ease of maintenance. Hortensia bluebird (the photo of the plant is striking in its beauty) is unpretentious, so it adapts well in almost any climatic conditions on various types of soil. The inflorescences of this variety are truly unique. In the center there are small buds, which can be pink or bright red with blue stamens, and along the edges are flowers that are three centimeters in diameter. It is noteworthy that the color of the petals can vary depending on the level of acidity of the soil, which is often used in the design of the land.

Distinctive features

Let's look at them in more detail. Hydrangea Bluebird serrate differs from its counterparts by many criteria. Among the main differences the breeders distinguish the following:

  1. Spreading bushes with a lush green crown and large leaves.
  2. Love for plenty of sunshine and moisture.
  3. Stronger stiffened trunk.
  4. A powerful and well-developed root system, which is located at a relatively shallow depth, so that fertilizing very quickly produces results.

In addition to all of the above, this variety has a longer and more active flowering period. With proper care, you can enjoy the incredible beauty of the bush from mid-summer until the autumn. Also worth noting is the winter hardiness of hydrangea serrated Bluebird. The plant is able to withstand twenty degrees of frost, so it is well adapted in many regions of our country.

Landing features

This aspect should be given special attention. As already mentioned earlier, Bluebird (Bluebird) serrate belongs to plants that love heat and sunlight, so when they are planted on open ground it is very important to correctly determine the place. It is best to plant shrubs in the vicinity of buildings or trees that can create a shadow for them. However, within a radius of three meters from the hydrangea, there should be no other plants that will take moisture and nutrients from the soil, which will negatively affect the growth and development of the flower.

It is best to transplant seedlings to open ground in the middle or late spring, so that they have time to get accustomed and get stronger in a new place before the onset of cold weather. The width of the hole should be about half a meter, and the depth - 60 cm. Between the bushes you need to retreat at least one and a half meters, so that each of them feels comfortable. Hydrangea Bluebird serrate is well adapted to any type of soil, but the ideal option for cultivation will be the substrate, for the preparation of which takes two parts of leafy soil and humus and one part of sand and peat. You can also add a little urea to the mixture, as well as organic and complex fertilizers.

Shrubs content

Let us consider this aspect in more detail. Many gardeners are of the opinion that one of the most unpretentious ornamental shrubs is Hydrangea sawtooth Bluebird. And planting, and caring for the plant is very simple and will not cause much trouble. When growing them, it should be remembered that shrubs love heat and moisture, so they should provide regular watering, and should be warmed for the winter. In addition, the ground should be periodically flooded to provide oxygen to the root system, as well as to remove weeds.

Experienced gardeners recommend adhering to the following rules:

  1. Watering should be done every day, and if the summer was too hot and dry, you can increase them up to 2-3 times. Topsoil should always remain wet.
  2. Despite the fact that hydrangea loves heat, it is nevertheless very important for it to provide shade, since direct sunlight will quickly dry the soil and leave burns on the leaves.
  3. Top dressing should be done in three stages: during transplantation to open ground, during the active growing season and at the beginning of flowering. To do this, use nitrogen-containing and complex mineral fertilizers, which are diluted in water according to the instructions and poured into the soil.

Here, in fact, all that should be aware of the care of the plant. The above recommendations will be enough to ensure that Bluebird serrated hydrangea grows well and always pleases you with its beauty.

Winter hardiness

At temperatures above -28 ° C, depending on the variety, the shrub needs to be covered for the winter.

Hydrangea is planted on a substrate fertilized with manure or compost. The shrub likes moist, loamy soil. The substrate will be very dense, you should dig up the edges from the bottom with a shovel, mix the ground at the bottom with sand or gravel, providing the plant with drainage. After planting, water the bushes liberally, rainy weather. It should be spread around a five-centimeter layer of mulch to reduce evaporation.

In early spring, remove the upper buds to stimulate the expansion of the shrub. It is also the time to remove faded flowers that protected buds from frost in winter. Old, dry shoots are cut at a height of 2-5 cm from the ground.

In autumn we cover the main part of the hydrangea with dry leaves. Sensitive varieties can be wrapped with straw or other dry material and wrapped with a cloth or wrap film. The roots of more resistant plants to cover with a thick layer of dry mulch. Hydrangeas growing near a hedge or near trees do not require shelter for the winter.


In summer, hydrangea is propagated by grassy cuttings from the tops of young, non-flowering shoots. Before the procedure, it is necessary to thoroughly saturate the plant with moisture before taking cuttings. Water saturated shoots take root more easily. Seedings are selected for seedlings that have at least two leaf nodes. Autumn and winter young plants should be held in a warm greenhouse.

Pilchat hortense can be propagated by layering. In the spring, side shoots should be pressed to the ground and covered with soil so that the ends of the shoots stick out above the ground. Attach the tops of the shoots to the props.

Every year in early spring, hydrangea is fed with a multi-component fertilizer. Shrubs growing on alkaline soil additionally require regular spreading of manure or compost. Taking care of acidification of the soil and the presence of elements such as iron and aluminum, you can enjoy intensely blue colors. Growing pink varieties of hydrangea in acidic soil, every year we alkalize the soil (75 g of lime per 1m²).

Hydrangea requires regular watering, especially during droughts. If we grow varieties with blue flowers, it is worth adding aluminum salts to the water, thanks to salt the color will become more intense.

Diseases and pests

Too much calcium in the soil can cause leaf chlorosis. If you notice yellowing or whitening of leaf plates, use foliar fertilizer with iron. The soil is acidified with peat, crushed bark or ammonium sulfate.

A common pest of hydrangea is aphid. Damage to young leaves and the appearance of fungal diseases indicate the appearance of aphids. In the case of a small number of parasites, they will be exterminated by natural enemies - ladybirds and the common gold-eyed. With a large invasion of aphids, you can successfully fight using self-made decoctions from field plants: nettle (pour 1 kg of fresh or 200 g of dried leaves with boiling water and leave for 24 hours), chamomile or dandelion roots. If the home methods have not brought a positive result, an insecticide is used.


Due to the correct shape of the shrub, serrated hydrangea is an ideal addition to a formal garden in which it can grow alongside laurel, bergenia, camellia and magnolia. In open places you can plant with such shrubs as sea buckthorn, honeysuckle cap, spirea, shadberry or viburnum. In the large garden it looks beautiful against the background of evergreen shrubs, yews, thujas and cypresses. Good neighbors are azaleas and rhododendrons, which have similar requirements for the growing site. For similar reasons, hydrangea can be planted with ferns and host.

Hydrangea flowers are suitable for creating dried flowers. To do this, the flowers are tied up in bunches and hung in florets in a warm, dry and shady place.

Hortensia barbed bluebird: planting and care

  • Plant refers to deciduous shrubs with characteristic blue and purple flowers. Most often it is grown in the design of landscape design on individual sites, group plantings in parks or in courtyards,
  • Inflorescences of hydrangea bluebird look very beautiful and magnificent. Their shape is flat, and the diameter is 10 centimeters. In the color there are floating colors - from pink to purple in the middle, to light purple and bright blue along the edges (Light blue shades are characteristic of individuals growing on acidic soil). Abundant bloom is seen from late July to late September. In a particularly intensive bloom young plants
  • Good growth hydrangea seen when using acidic soil formulations. In this case, it is necessary to provide the flower with abundant watering and to protect the landing site from the effects of drafts and winds. The bush lacks frost resistance, therefore it needs to be covered for the winter, otherwise it will freeze,

The presence of hydrangea serrated bluebird in the garden plot will perfectly highlight the rich knowledge of the gardener and give the garden a special cozy look.

Hortensia serrated Preciosa

There is another very popular shrub that belongs to the genus of serrate hydrangea. It's about variety Preciosa. It is characterized by the following features:

  • Compact flower with dense stem and beautiful leaves 1-1.2 meters long,
  • The flowers form dense inflorescences with yellowish-green, pink and crimson-red color,
  • The diameter of inflorescences is 12 centimeters, while the color of flowers does not depend on the acidity indicators of the soil,
  • Often, inflorescences are located and fruit-bearing flower stalks. As a rule, they are located in the center, and barren flowers, which have taken their place along the edges,
  • This option is not excluded when only empty flowers are present in the inflorescence,
  • When planting Precioza, preference should be given to sunny or slightly shaded areas with good drainage and an abundance of nutrients in the soil,

For representatives of this class is characterized by very good winter hardiness: they freely withstand the effects of frost down to -23 degrees Celsius.

In winter, the branches should be bent to the ground and covered with a spunbond. Perhaps such a shelter is enough for a successful wintering. However, some gardeners believe that this type of hydrangea can tolerate cold winters without the use of protective shelters, while maintaining excellent appearance and other properties. Maybe this is true, but to risk in our latitudes, most likely, unwise.

Planting and maintenance of serrated hydrangea

As mentioned above, for successful planting hydrangeas at homeThey need to choose sunny quiet areas without the aggressive effects of drafts and winds. The soil should be acidic and drained.

If you wish to propagate the plant yourself, pay attention to the cutting method, because he is the main method of reproduction, although in rare cases, the flower is bred and layering, and seeds. In order for planting material to be good enough, it is necessary to place a so-called uterine shrub on the site, which will confirm the 100% guarantee of the variety.

For summer cutting You can take branches with buds, remove the inflorescences and cut them in such a way that several internodes are present on them.

Bottom cut must be oblique, upper - straight, immediately after the upper rein. The remaining pair of leaves is cut in half or one third. In this case, the evaporating surface will be reduced, which is very important for the normal development of hydrangea. The prepared cutting can be treated with a heteroauxin-based compound, after which it is planted directly into the soil to a depth of 1 centimeters. Rooting is carried out at home in a greenhouse or in the open air. In order for planting to be successful, planting material needs to be protected from exposure to direct ultraviolet rays. As for other features of care, they include timely watering and regular spraying.

It is known that the hydrangea serrata perfectly tolerates attacks of pests and diseaseshowever, it is subjected to downy mildew and chlorosis. The latter disease often attacks bushes that grow in limestone soil or soil with too high a content of humus. In the presence of the disease, the leaves become lighter in color with characteristic dark veins. To cure a plant, it is necessary to treat it 2-3 times with a solution of potassium nitrate at the rate of 40 grams per bucket of water. After the procedure, after three days, the plant is treated with a solution of copper sulphate in the same proportion.

If the flower is infected downy mildew, then on the stems and leaves will appear characteristic oily spots, which will soon begin to darken and increase in size.

Other features of hydrangea planting

Experienced growers advise start planting serrate hydrangea in late April or early may, or in the middle of the first autumn month, when the temperature range becomes moderate. When choosing a place, it should be borne in mind that the plant is particularly photophilous and loves to receive sunlight in a scattered form. At the same time, good growth productivity is also observed in areas with penumbra.

On average, the size of the pit should be at least 50 centimeters in width and depth. When digging the soil need to fertilize it as follows:

  • 2 pieces of humus,
  • 2 parts of leaf soil,
  • 1 part peat,
  • 1 part of sand,
  • 20 grams of urea,
  • a certain amount of complex fertilizers that are used strictly according to the instructions.

When making any composition of hydrangeas should be left at least one and a half meters of free distance between each plant. Plant the stalk should be in such a way that the root neck is located at the level of the ground. After the instillation of the seedling, it is watered and covered with a layer of mulch.

Basic rules for the care of hydrangea serrata

Bluebird representatives do not show high demands in terms of care. The main thing is to pay attention to the basic subtleties in the form of a comfortable temperature and stable access to a source of moisture. To do this, it is better to water the plant daily. In case the average daily temperature stays at from 25 degrees, the soil should be moistened twice. If the mark reaches 30 degrees - three times. It is important that the land around the shrub always retains a certain humidity, otherwise the plant will not be able to fully grow and the flowering period will be slow.

To strengthen the rhizome by free access to a source of moisture and oxygen, you should regularly loosen the ground near the plant. But it is important to pay attention to such a feature as high bedding of the roots, which is why it is not recommended to conduct deep loosening.

In addition to ensuring balanced watering, the flower must be provided with reliable protection from the aggressive effects of direct sunlight during the hours of daytime heat. For these purposes, you can create artificial shading using self-made removable canopies. Care consists of watering, shallow loosening and shading.

Top dressing and fertilizer

Concerning hydrangea fertilizersthen this procedure is carried out as follows:

  • At the stage of bud formation and after flowering the shrub should be watered with a mixture created from a kilogram of peat, a kilogram of dry leaves and 500 grams of humus, which are diluted with two and a half liters of infused water,
  • Готовую смесь используют для полива растения на протяжении всего периода цветения. При этом раз в неделю прикорневая зона обрабатывается компостом или сухой травой,

It should be noted that hydrangea reacts poorly to limestone fertilizers, chalk or wood ash, therefore, such products are contraindicated.

It is also important to take extra care when using nitrogenous fertilizers. If there are too many, flowering will become excessively abundant, with the result that the shrub may be damaged. Urea or rotted compost should be applied only in the early stages of the growing season in strictly moderate quantities.

In addition to regular watering and fertilizer application, serrate hydrangea should be pruned. This procedure is best done in the fall. During the work it is necessary to get rid of dry, weak, uneven or damaged shoots. It is also important to clean the plant from last year's foliage and inanimate inflorescences. To stimulate growth, you can prune all shoots for 2-3 buds.

What problems may arise at different stages of care for hydrangea

Hortensia gets on well. in our conditions and different picky character. However, in order for the cultivation to be as successful as possible, it is important to protect it from direct sunlight, fertilize and water it in time. Many gardeners face some problems during soil loosening, which is explained by the close location of the roots near the soil. To avoid this kind of situations, the ground should be loosened at a depth of no more than four to five centimeters.

And although the plant Bluebird has excellent winter hardiness, until it is at least 4-5 years without the use of shelters can not do.

Also, the protection of the shrub is mandatory when grown in the northern and cold regions. Work on the preparation for the winter is carried out as follows:

  • In the initial stages, sanitary pruning should be implemented,
  • After that, phosphorus and potassium-based fertilizers are scattered under the bush,
  • With a sharp decrease in temperature to -5 degrees, the shrub needs to be covered with plastic wrap,
  • If the temperature drops to -20 degrees, the branches need to be bent down to the ground and secured with metal clips. The top layer is laid with sawdust, pine branches or old blankets,
  • When it is cold to -30 degrees, the shrub is wrapped with a metal grill, covered with bricks and covered with warm clothes on top,

If you properly prepare the hydrangea for winter, in springtime the plants will quickly begin to grow.

Root system

Spreading wide fibrous root system up to 40 cm deep. The large area of ​​the suction surface and the shallow bedding of the root system determine the quick response of the plant to fertilizer and pollution from the soil.

The length of the leaf is slightly less than that of the nearest large-leaved relatives - up to 12 centimeters. Oval, pointed at the ends, they have at the edges of the notch, resembling a saw. They are a business card and a distinctive feature of the serrate hydrangea.

Type of inflorescence - corymboid panicle diameter up to 8 centimeters. In the center of the “panicle” there are a lot of small fertile variegated white-blue or white-pink flowers capable of cross pollination. The edges of the inflorescence are decorated with larger four-leaf sterile flowers that do not have reproductive organs. After blooming, they have a monochromatic milky-pink or blue color.

Strong branched bark of a bush is hidden under a magnificent hat of inflorescences and foliage and is almost not visible. He has height up to 1.5 meters, at the base of the strongest, low branches.

Winter hardiness Hydrangea serrate increases over the years. Everything young shrubs without exception for the winter must take refuge.

Hydrangea feels more comfortable in southern winter, temperatures below -40 ° C will be extreme complicated. The southern climate is suitable or climate Central Russia with a winter temperature not lower than -25 ° C.

Ways of sheltering for the winter:

  • To pile up and cover with a plastic bag - winters to -5 ° C.
  • Tie a bush with a rope. Spud high and throw up sawdust, spruce spruce branches. Cover the top with several layers of plastic film and secure with wooden boards. This method will help to survive winter to -15 °.
  • Maximum cut dry shoots. Highlight bundles of 1-2 branches, bend to the ground and secure with wooden brackets. Throw shrub with sawdust, spruce branches, dry leaves, cover with a sheepskin coat or an old plaid. Top lay several layers of polyethylene, fasten with boards or bricks. The method fits for winters -15 to -20 ° C.

Important! For maximum insulation, use a metal mesh frame that can be covered with old clothes. It is possible to impose a construction instead of a grid a brick. Such structures are suitable at -30 °.

Hortensia serrated Wierle

A miniature bush with blue flowers. Green foliage in the fall becomes purple or burgundy. Picky It needs to maintain constant soil moisture, fertilizer, penumbra. Not hardy.

Held from April to May into a hole with a depth of 10 cm greater than the length of the root system. Before planting, the soil is loosened, mineral fertilizers, peat, sand, and humus are added to the well. The optimal distance between shrubs is at least 1 meter. Within a radius of 3 meters should not be large moisture-loving plants that can compete with hydrangea for moisture.

Light mode

The penumbra, diffused light. It is preferable to plant against a wall or fence, which will serve as a shelter for hydrangeas, both in summer and in winter. It feels great under a roof shed, limiting the direct sun rays that are harmful to the bush. Win-win will be the use of a folding canopy, when the sun is at its zenith.

Description of varieties

A compact, beautiful bush of hydrangea can be placed not only in the shade, but also on the sunny side. This increases the variability of landing. Such a bush may well become the center of a mixborder. Almost all varieties of serrata hydrangea bloom for a long time: from mid-summer to mid-autumn.

Thinking about buying such a plant, you should first choose the appropriate variety:

  • Bluebird. If you need a bright blue accent in the flower garden, you can choose the serrated bluebird. This variety is quite unpretentious, has excellent winter hardiness, moisture-loving. It is worth considering that the composition of the soil can change the color of flowers.
  • Koreana. Small (40 cm), compact shrub with white and pink flowers, gathered in lush cone-shaped brushes. Does not need special care. It will be a great solution for decorating the gazebo or entering the house.
  • "Preciosa". Large (160 cm) beautiful shrub with spherical pink inflorescences. Hortensia serrated "Preciosa" winters fine, blooms for a long time, however, requires regular watering and acidic soils.
  • "Santiago". Medium size (130 cm), well-branched shrub with color-changing lace from pink to red. Color change and the leaves of this shrub, by the end of the season painted in red hues. Excellent frost resistance and plentiful flowering make this variety very popular.

Planting flowers in open ground

Planting hydrangeas in open ground is best in the middle of spring. The earth should thaw out and warm up.

The optimal place for planting hydrangeas is light penumbra. It is with this type of lighting bush will bloom beautifully.

The culture feels best in acidic soil.

When planting, it is necessary to prepare the following soil mixture (2: 2: 1: 1):

  • fertile humus
  • rotten leaves,
  • peat,
  • sand.

It is necessary to place young plants at a distance of one meter from each other. The depth of the planting holes should be about 35 cm. The root neck of a young plant remains at the same level with the ground.

After planting, it is good to add a mulching component (needles, sawdust) to a layer of about 10 cm. This will help maintain moisture.

How to care for a plant

Hydrangeas do not require special care. Their main need is daily watering.

  • On ordinary summer days at a temperature of +25 ºС, they should be watered twice a day: in the morning and in the evening. If the summer was hot and outside the window is more than + 30ºС, it will be necessary to water 3 times a day.
  • Hydrangeas do not like direct sunlight, it is better to create partial shade bushes.
  • Loosening and weeding are carried out as needed. This improves the quality of flowering and is a good prevention of various diseases and parasites.
  • Mature flowering bushes need fertilizer. There are special liquid products for hydrangeas with the right balanced composition. It is better to follow the recommendations on the number and time of fertilizing indicated on the package.
  • Trimming is an important care event. Removing excess shoots brings not only an aesthetic effect, but also strengthens the bush. Every 2 years it is recommended, without sparing, to cut off all excess shoots for the purposes of prevention.

In order for the bushes to safely winter, we must prepare them correctly:

  1. Loosen the ground around the bush and remove dry branches and leaves.
  2. Gently pull the branches to the center of the rope.
  3. Cover with fir paws and polyethylene.

Hydrangea serrate can withstand temperatures as low as -30ºС.

To root the hydrangea sapling in the autumn period you need:

  • Release it from leaves and young shoots.
  • Place in the soil at an angle so that the branches are higher than the roots.
  • Cover earth with roots.
  • Spread the branches like a fan and also sprinkle with earth.
  • Cover and leave to winter.

At the end of the summer young bushes with a developed root system will be obtained.

But the easiest way is to divide an adult bush with already formed roots. This method is good for plant transplantation.

Hydrangea bushes are very attractive for insects and other pests:

  • Hortensia fall prey to slugs and snails. To avoid this, you can lay out the drug "Thunderstorm" in plastic cups under the bushes. You should not make the drug directly into the soil, because it is toxic and pollutes it. The easiest way - mechanical collection of these pests.
  • To get rid of spider mites, plants can be treated with a solution of the drug "Fufan" or "Tifos". It is enough to dissolve 5 ml of funds for 5 liters of water.
  • Aphids can simply be washed off the hydrangeas with a strong stream of water.
  • If the bushes hit gall nematodes, the plants will have to be destroyed.

Possible problems with growing

It should be remembered that the culture is able to change the color of flowers and leaves, depending on the composition of the soil.

If the hydrangea bushes are the center of the mixborder and set the tone for the overall appearance of the garden, you should follow the soil acidity.

To revive the bushes, you can use top dressing infusion of sorrel leaves (a small bunch on a bucket of water).

If lime and manure get into the soil, hydrangea may show signs of chlorosis: general wilting, the appearance of brown spots on the leaves, the dropping of flowers. To restore the plant, it is necessary to acidify the soil, spray it with iron-containing preparations and feed it with potassium nitrate.

If you carefully treat your hydrangeas, take care of them, properly care, you can get a wonderful perennial garden decoration.

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So what does this need to know? Pruning when growing and caring for hydrangea is not just a preventive measure that is necessary to give the shrub an aesthetic and more attractive appearance. Rejuvenation is a mandatory measure that must be carried out annually. It is recommended to shorten old shoots and remove weak shoots in early or mid-autumn, when the plant hibernates. Pruning is useful in that it reduces the amount of evaporated moisture from a flower, which has a positive effect on its health and increases resistance to various diseases and harmful insects.

Preparing for the winter

What is the peculiarity of this process? As shrubs mature, their resistance to low temperatures gradually increases. Adult plants easily tolerate 20 degrees of frost. However, in order for the hydrangea to winter normally, it is imperative to rejuvenate and feed it in the autumn.

Prevent freezing and death of the bushes will help the following activities:

  • Hilling and hiding flowers transparent garden wrap.
  • Tying the branches together and warming with spruce branches of any coniferous trees.
  • If you live in a region with a harsh climate and frosty winters, the branches of the hydrangea should be pressed to the ground, secured with straps and covered with warm things.
  • Some gardeners lay bricks and hydrangea covered with old clothes. In such a shelter, plants can withstand even thirty degrees of frost.

If you take good care of the hydrangea, then with the first spring heat it will come to life after hibernation and begin to bloom.

What do breeders say about the variety?

If you want to decorate your plot, then hydrangea Bluebird will certainly be one of the best plants for this. Reviews experienced gardeners say decorative and unpretentious plants. Care of him does not require any special knowledge and skills, so everyone will cope with growing. At the same time, the shrubs look beautiful not only by themselves, but also as part of compositions, which allows them to be successfully used in landscape design.

Tree hydrangea

Gardeners know this culture under the following names: “Hydrangea bush” or “White globose hydrangea”. The bush of this plant reaches a height of 1-3 m, the countries of North America are considered its place of origin. Quite a large size leaves have a non-monotonous color: on top they are rich green, and on the bottom they have a bluish tint. Tree hydrangea buds have a flat or spherical shape, reach a diameter of 10-20 cm in inflorescence. At the beginning of flowering petals are painted in a white-greenish tint, and over time they become snow-white or cream-colored.

In most varieties of tree hydrangea, fruit-bearing flowers predominate in a quantitative sense, while the number of sterile inflorescences is relatively small. But there are also varieties that give a large number of barren flowers.

This type of culture is distinguished by unpretentiousness, the ability to tolerate cold and frost well. Hydrangea tree grows well in shaded areas of the garden. Annual shoots that do not have time to mature for the winter, with the onset of frost freeze over. But after spring pruning, the plant is restored in a short time and gives flowering in the coming season. In the gardens of Russia, tree hydrangea produces buds a little earlier than other types of culture, its flowering period lasts from July to November.

The closest type of tree hydrangea is gray hydrangea. Unfortunately, it is not often seen in the open spaces of our country, although in terms of its frost-resistant and shade-tolerant characteristics, it even surpasses the previous type of culture.

Hydrangea paniculata

Paniculata hydrangea is a shrub whose height reaches from 2 to 5 m. This plant can often be found in hot countries: Japan, China, South Sakhalin. This culture is loved by Russian gardeners for their excellent decorative properties. It can be used in landscape design, giving the shape of a bush or even a multi-trunk tree. Hortensia paniculata is distinguished by longevity, it can grow in the same place for 40 years.

The stems of this plant have the ability to quickly grow, thanks to which the hydrangea perfectly tolerates even severe frosts. The foliage of the culture has an oblong shape, the buds bloom on young shoots in the first year, which is the reason for the abundant and lush flowering. The first flowers appear on the bushes in the month of June, the peak of flowering falls in August-September. The buds have a pyramidal shape, they contain both fertile flowers and barren flowers. At the beginning of the season, the flowers have a greenish-white color, which later turns into pure white or beige. С приходом осени бутоны приобретают розоватый оттенок, который с течением времени переходит в терракотовый и пурпурный.

Благодаря зимостойкости, гортензия метельчатая прекрасно выносит сильные холода, многие садоводы даже не укрывают кусты на зиму. Наиболее популярным сортом данного вида является гортензия «Грандифлора». It is distinguished by large buds, reaching a length of 30 cm. The flowers in such buds are almost all sterile, some fertile inflorescences are located on the very top of the hand.

Large-leaved hydrangea

Among gardeners, this type of culture is called garden hydrangea. She, like the previous variety, is widespread in countries with warm climates: in Japan, China and Sakhalin. In the wild, the height of the shrub is 4 m, but the cultivated plant grows no higher than 1-2 m. When planting a garden hydrangea in flowerpots or containers, it is better to pick low-growing varieties whose height does not exceed 0.5-0.6 m.

This culture has a rich green and fairly dense foliage. Old branches are covered with dense bark, young shoots - green and grassy, ​​begin to harden about a year after the appearance. The plant is not distinguished by high cold resistance; young branches can die during severe frosts. In connection with this feature, the care of garden hydrangea should include the mandatory shelter of shrubs for the winter.

The buds of the plant bloom on annual shoots, where flower buds are laid from autumn. Among this species there are several varieties that differ from each other in size and shape of inflorescences, as well as a shade of petals. The most common subspecies is the Japanese hydrangea, which has umbrella and bush-like buds, as well as changeable hydrangea, the inflorescences of which have a hemispherical shape. Changeable hydrangea has an unstable color, which largely depends on the composition of the soil. For example, in neutral soil, the petals of the plant have a pink tint, but the hydrangea buds will be blue if the shrub is planted in acidic soil. The color range of large-leaved hydrangea has a very wide range, the buds can be snow-white, pink, rich red, dark blue, purple. Pink and blue varieties can change their color depending on the characteristics of the soil. So that the buds constantly retain the blue color, you can periodically add iron sulfate or a solution of aluminum-potassium alum - these substances constantly acidify the soil.

Thorny hydrangea

This type of culture is a climbing perennial plant, its vines are widely used in landscape design. Initially, stalked hydrangea grew in the Kuril Islands, in China and Japan, as well as in some areas of South Sakhalin. In the warm climate of these countries, wild plant vines reach a length of 25 m, but the domesticated species present in the gardens of Russia is much smaller.

When planting stalked hydrangea, it is important to consider the structural features of the culture. Since it is a vine, it should provide support on which the stems will curl. Without a support, the stalked hydrangea can simply slide along the ground, but in this case it is pointless to expect flowering from it.

The foliage of the plant is heart-shaped, the inflorescences are of the umbrella type, loose, reach a diameter of 15-25 cm. The color of the petals can be white-green, pink, lilac. The culture is quite resistant to cold, but in particularly heavy frosts it is better to cover it. In addition, before wintering, young vines should preferably be removed from the support and left on the ground, so that the plant waited out the cold under a layer of snow.

Hydrophobic oak

When planting a dubolistnaya hydrangea, it should be borne in mind that this species is not as cold-resistant as some other species, therefore shrubs need to be well covered for the winter. The decorative qualities of this culture are caused not only by beautiful tender buds and a long flowering period, but also by magnificent foliage, which with the onset of autumn turns into a bright red hue.

Hydrangea raznostery

This plant got its name due to the original leaves, the upper part of which has a smooth surface and bright green color, and the lower one has a lighter shade and is covered with a nap. In the Far East, a motley hydrangea can be found in the underbrush, where it grows like a ground cover crop and covers the earth with a dense carpet. Meanwhile, the plant does not belong to the ground cover, because it has quite strong, hard and long branches.

A common cultivar of culture is the Bretschneider hydrangea. The plant has elongated foliage, as well as strong shoots, which are quickly covered with hard bark. Inflorescences are Vine-shaped, initially have a white color, which subsequently darkens. Despite the unpretentiousness, frost resistance and shade-loving, Bretschneider's hydrangea is rarely found on the sites of Russian gardeners.

Hydrangea Care

Watering hydrangeas should be carried out with soft water, because the plant does not like lime. It is best to store rainwater in advance, but if there is no such possibility, then you can simply defend ordinary water from the aqueduct. Water temperature for irrigation should also be acceptable - not lower than room temperature. In tap water, you can add a little lemon juice, vinegar or electrolyte - this will help protect the plant from leaf chlorosis. For the same purpose, it is possible to introduce ferrous sulfate, iron chelate or ferrophyte into the soil. Hydrangea belongs to moisture-loving plants; at least one bush should have at least 2 buckets of water per week. In the rainy season, the frequency of watering can be 1-2 times a month.

When growing large-leaved hydrangea, you can achieve a blue color of the petals, constantly acidifying the soil with iron salts and alum. To prepare the desired composition, dissolve in 2 liters of water 8-10 ammonium-potassium or potassium alum. You can also use mineral compounds as feedings, but ash is better to refuse. Hydrangeas are fertilized several times per season:

  1. The first dressing is carried out in the spring when young shoots begin to grow.
  2. The second fertilizing should be done in June, because it was at this time that inflorescences were laid on the branches of the plant.
  3. The third time hydrangeas are fertilized during their flowering period, in order to maximally prolong this time and ensure the formation of flower buds in the next season.

Young plants in the first year after planting are watered with a solution of potassium permanganate to protect the culture from the formation of rot. Instead of manganese, phytosporin can also be used.

Hortensia in open ground should also be properly prepared for the winter. In late autumn, it is important to provide the plant with abundant watering. If the weather is not rainy, try to water the crop as often as possible - successful wintering will depend on sufficient moisture. So that the shoots did not begin to rot under the covering material, process them with Bordeaux mixture. In the last decade of October, when the night temperature falls low, spend hilling hydrangea 30 cm in height, then cover the bushes with plastic wrap or agrospan. At the end of autumn, when strong cold comes, warm the branches of the culture with spruce branches or dry foliage.

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Thermal mode

Garden varieties have mastered a wider temperature range than indoor - from -2 ° to + 25 °. To reduce the detrimental effect of high temperatures in the summer can be two or three times a day by watering and folding canopy. It must be remembered that the main reference point to start preparing hydrangeas for wintering is night temperature below -2 °.

Hydrate hydrangea is moisture-loving and requires abundant daily watering. In dry summers it is especially important to maintain a constant moderate soil moisture. With + 30 ° and above is shown triple wateringat + 25 ° - double. It is possible to use sprinklers.

Fertilizer / feeding

Fertilizer is carried out three times a year: during planting, in the "bud" period and at the beginning of flowering. The simplest fertilizer is a mixture of peat, humus and dry leaves in proportion 2:1:2. When planting the mixture is filled with free root space in the hole.

During periods of bud ripening and flowering, fertilizer is introduced into the root space under the shrub. To give it a liquid consistency, you need to fill the five-liter bucket half-filled with a mixture to the brim with diluted with water compost.

Nitrogen-containing fertilizers are applied strictly according to the instructions, they no need to abuseif you want to get plenty of flowering.

Top dressing is carried out once a week. In the role of feeding is used compost, dry foliage.

To loosen the soil, sawdust and sand are added to the compost.

The flowering period is July and August.

Every three days, water one side of the bush with a slightly pink solution of potassium permanganate, and with aluminum sulfate solution - the other and get on one plant both blue and pink flowers. The composition of the solution: 2-3 grams of powder per 1 liter of water.