Spirea shiroban planting and care in the open field

Ornamental shrubs are popular among summer residents and gardeners, decorating areas with greenery and beautiful flowering. One of these plants is the Shiroban spirea. It is about her that the conversation will go in our article.

Where is culture used?

Spirea Shiroban is actively used for group plantings and as hedges. Dwarf varieties are great for rockeries, living carpets, rocky gardens.But even as a single plant, spirea looks very beautiful in areas.

There are many varieties of crops that have different flowering periods. The popularity of the plant is associated not only with the beauty of its flowers, but also with its unpretentiousness. In addition, spirea seedlings are inexpensive, which means that everyone can buy them for themselves. Having your own plant on the site, in the future you can easily grow seedlings on your own. Spirea Shiroban is good for landscape design. From plants, you can create decorative borders and whole compositions that will decorate your personal plot. Spirea is an excellent material for cutting, the plant can be given a variety of shapes. But, unfortunately, at the same time it will not bloom. In general, Shiroban's spirea is a versatile plant that can decorate a summer cottage.

Plant advantages

Spirea is an ornamental shrub belonging to the Rosaceae family. The main advantage of the plant is its simplicity. In total, there are about a hundred varieties and varieties of spirea. Most of them feel great in central Russia. The bushes are drought-resistant and frost-resistant crops that grow very quickly and decorate household plots for a long time, without losing their decorative effect for decades.

This deciduous plant is incredibly beautiful and has a fairly long flowering period. It is thanks to the beautiful flowers that the spirea has gained popularity among gardeners. The plant can be a decoration for any park and garden, filling the area with beauty and tenderness.

The culture is of interest in that it has an incredible number of varieties and interspecific hybrids, each of which is good in its own way. One of the varieties is the Shiroban spirea. We will give a description of the variety later in the article. Spireas are so diverse that among them there are dwarf plants and luxurious giants, whose height reaches two meters. Bushes can have very different shapes: cascading, pyramidal, weeping, creeping, etc.

The plant pleases with flowering up to two months, and sometimes a longer period. Some bloom in early spring and others in summer. If you approach the issue of the selection of varieties correctly, then you can admire the beautiful flowers from early spring to autumn.

Description of Spirea Shiroban

As we have already mentioned, among the many varieties there is the Japanese spirea Genpei. This is the spirea of ​​Shiroban. An ornamental shrub is a short plant that blooms in summer. Its height is 80 centimeters, and the crown diameter is 1.2 meters. The bush has brown tomentose shoots, which are about two centimeters long. The branches of the plant are densely covered with ovoid leaves. In the Shiroban spirea, small leaves are painted dark green on top, and the lower part has a bluish tint. In autumn, greens change their color to yellow, and sometimes to bright red. The height of the Shiroban spirea is 80 centimeters, and the crown diameter is 1.2 meters.

Japanese spirea is a bit like a chameleon. At the same time, red, white and pink flowers can be found on the bush. The flowering of this variety can be observed throughout the summer until the onset of autumn. The plant, covered with flowers of two or three shades, has a stunning appearance. In order to preserve this appearance of the shrub for a long time, it is necessary to remove wilted inflorescences. Flowering ends on young shoots of the current year. In the next season, flowers reappear on young branches, and old ones dry up.

The plant prefers sunny areas with light soil. This culture gained wide popularity in China and Japan, which is why it is sometimes called the Japanese spirea.

Growing features

Despite the unpretentiousness of the culture, it is still worth knowing all the nuances about spirea. Planting and care (photo is given in the article) for the bushes are not difficult, and therefore even novice gardeners can do it. Experienced experts recommend using soil for planting, consisting of earth, peat and sand in a ratio of 2: 1: 1.

First, you need to choose a good place for the plant, after which you need to dig a hole. Its size should be one third larger than the rootstock of the seedling. At the bottom, you should definitely place a drainage from fragments of broken bricks.

The plant is planted to a depth of at least half a meter. Do not cover the bush too much with earth. The neck of the plant should remain above the surface of the soil. Of course, the beginning of autumn is considered the best time for planting. It is especially good if you choose a cloudy day. Spirea can be planted next to other crops, for example, it feels great next to spruce, juniper and thuja.

As we can see, planting a spirea and caring for it (the photo is given in the article) is not difficult, but it is still worth providing the plant with minimal care in order to get abundant flowering.

Planting spirea

In order for the flowering of the spirea to please us, sunny places should be chosen for planting it, since the plant is photophilous. Lush shrubbery can only be obtained on good, rich soils. For planting, you need to dig a hole at least half a meter deep. When choosing a place for planting, it is worth remembering that the root shoots of the culture occupy a sufficient area. If you are planning a group planting of plants, then the distance between them should be 0.7 meters. For bushes in the same row, a distance of 0.5 meters is sufficient.

The pit for planting a seedling should be prepared in advance, it is good if it will stand for several days. But the drainage layer is laid directly on the day of planting. A good effect is provided by complex fertilizer applied directly into the pit. A tablespoon of granules will provide the plant with the necessary nutrition for three years. When all the preparatory stages are completed, you can proceed to planting the spirea. To do this, we lower the seedling into the hole, straighten the roots and fill it with the prepared mixture. The planting site must be carefully compacted, and then pour two buckets of water under the bush. It is recommended to mulch the well of the plant with peat.

How Do I Pick a Good Sapling?

Growing Shiroban's spirea is not particularly difficult, but you need to choose a high-quality plant for planting. The roots of the seedling should not be dry or damaged. You can only buy a plant whose shoots are flexible and have good buds.

Immediately before planting the seedling, the roots should be thinned out by removing the broken parts and put in water for a while. Only then can the plant be planted on the site.

Culture care

As we already mentioned, spirea is completely unpretentious. Therefore, caring for the plant is quite simple. The seedlings take root well and grow well in the future, no matter what climatic conditions they find themselves in. Spirea can be seen throughout Russia. However, the main value of the plant is its flowering. What do you need to do to get beautiful flowers?

Crop care consists in the obligatory timely loosening of the soil near a young plant, since the soil is strongly compacted as a result of rain and watering. In addition, gardeners recommend mulching the trunks after loosening. For these purposes, you can use peat, compost or walnut husks.

Do not forget about weeding regularly. If you did not apply complex fertilizer during planting, then in early spring it is worth feeding the plant. Young bushes respond well to superphosphate mullein. This top dressing is applied in June.

Plants need proper preparation for the winter period. Despite the fact that the culture is resistant to frost, it is recommended to cover the root zone with a thick layer of leaves, since we often have snowless, but frosty weather. This precaution will not harm any plant.

Watering spirea

The roots of the plant are located close to the surface of the earth, so the bushes do not tolerate drought. Lack of moisture negatively affects growth rates and flowering. Watering the Shiroban spirea should be moderate. If the summer is dry, then the shrub should be watered twice a month. A bucket of water is enough to moisten the soil of one young plant. In hotter climates, water the plant more often.

Moisture is necessary for the spirea after flowering and pruning. During such periods, you need to thoroughly water the plant. Young bushes need more frequent moisture than old ones.

Correct crop pruning

When organizing proper care, it is worth remembering about pruning the Shiroban spirea in the spring, which allows you to preserve the beautiful appearance and shape of the bush. Absolutely all varieties of culture, including the famous Jenpay, tolerate a haircut perfectly. However, it is worth understanding how to properly prune, since the flowering of the plant depends on it.

Such a simple procedure allows you to give the desired shape to the plant or cut off an oversized bush. But do not forget about the obligatory annual pruning in early spring. Such a simple sanitary procedure is carried out before the foliage appears. Shoots are cut to the buds. Weak and lifeless branches are removed completely.

Don't be afraid to damage the bush. The more old shoots you remove, the more new ones will grow. Young growth will make the plant strong and beautiful. After four years from the moment of planting, the bushes need annual rejuvenating pruning.In this case, the plant is radically sheared, leaving shoots no more than thirty centimeters. If after such a procedure the bush does not recover and remains weak and ugly, then it is recommended to replace it with a new one.

Perhaps such measures will seem too harsh to someone. But in fact, shearing plants is justified. If it is not produced on time, then the bush will not be able to maintain an attractive rounded shape. And after a while, it will generally lose its appearance, since heavy old shoots will begin to sink to the ground.

Pruning must be accompanied by watering with a solution of manure with superphosphate (fertilizer is put at the rate of 10 grams per 10 liters of water). The mixture is poured under the roots of the bush.

Reproduction of culture

Reproduction of the Shiroban spirea is carried out in the following ways:

1. Layers.
2. By cuttings.
3. By dividing the bush.
4. Seeds.

Seed propagation is a difficult task. This method is used only by breeders to obtain the latest varieties. For this, the seeds are harvested in the fall, and then at a certain time they are sown in boxes with a mixture for germination. The resulting sprouts are planted in open ground in the spring.

A simpler and more effective way is grafting. With its help, you can get a large number of seedlings even without the use of growth stimulants. To do this, choose an annual shoot and divide it into parts, each of them should have no more than six leaves. Excess greens are removed. The resulting cuttings are dipped in the Epin solution for six hours. The mixture is prepared at the rate of 1 ml of the product per liter of water. It is recommended to treat the lower part of the cutting with Kornevin. Then they are planted in wet sand in pots at an angle of 30-45 degrees. Cover with glass from above and leave in the shade. The seedlings should be sprayed three times a day.

At the onset of the first frost, the pots are dropped in the open ground and covered with leaves on top. Saplings remain on the street until spring. In the spring, when the first shoots appear on cuttings, they are planted in a permanent place.

Good results are obtained by the method of propagation by layering. Saplings obtained in this way take root well. To get a young plant, you need to bend one branch to the ground and sprinkle it with soil on top. After a while, the seedling will release the roots. After that, the twig must be cut off from the main plant and the young bush must be planted in a new place.

Japanese spirea Jenpei (Shirobana) also reproduces by dividing the bush. This method can be used in autumn or early spring. If you want to divide the plant in the spring, then you must have time to do this before the first greenery appears. The advantage of this method is the rapid growth of daughter plants. However, the method also has a disadvantage. In the process of dividing, the roots can be damaged. To neutralize the negative effects of this process, you can soak the seedlings in a fungicide solution.

Diseases and pests

Spirea, unfortunately, is susceptible to attacks by some pests. In order to avoid such troubles, preventive measures should be taken that will preserve the decorative effect of the culture.

The most dangerous pest for spirea is the spider mite. Its presence can be determined by the appearance of cobwebs, holes in the foliage, non-seasonal yellowing or the fall of greenery and inflorescences. A sick bush takes on an unsightly appearance. The fight against the tick must be started when the first signs appear. There are various means for this. Among them, malofos and phosphamide have proven themselves well, with solutions of which the whole plant is sprayed.

Spirea is often attacked by aphids, which spoil the peduncles. The appearance of such a pest can be determined by the presence of caterpillars and eaten foliage. To combat aphids, it is recommended to use prophylactic agents, among which chemical and natural substances are relevant. Pests do not like Pirimor very much.

Neighbors for spirea

As we already mentioned, very often such an ornamental plant as Japanese spirea (Shirobana) is used to decorate parks and gardens. In landscape design, bushes are simply irreplaceable for creating beautiful flowering compositions. The culture is good because it perfectly coexists with other plants, which is very important for large group plantings. Correctly selected plants will be able to delight the owners with decorativeness and flowers from spring to late autumn.

There are a fairly large number of crops that can be placed next to the Shiroban spirea. Feedback on the use of a plant for group plantings gives reason to recommend it for creating beautiful compositions. In the near-trunk circles of the spirea, you can plant the shade saxifrage, periwinkle, multicolored lungwort, cerastium, which form a colored carpet near the shrub.

Unique compositions can be created from several varieties of bulbous plants, which are the main decoration of the spring period. They look great next to a bush. Muscarica, all kinds of tulips and daffodils, and many other plants are good neighbors for the spirea. When choosing cultures for a composition, it is worth remembering that the color of flowers should be in harmony with the total mass of the created masterpiece.

Instead of an afterword

Japanese spirea is the undisputed leader in landscape design. It is not for nothing that it has become so popular in China and Japan. Hedges and spirea borders are no longer surprising, but planting crops on slopes instead of trivial lawns can be considered a novelty.

Absolutely all varieties of this plant are excellent honey plants, so they can be planted near hives. Spirea is even used to create bouquets. And, of course, its most important purpose is to decorate the infield and create a special atmosphere.

Among the ornamental shrubs, spirea occupies a special place. She is surprisingly unpretentious and easily forgives the gardener even the most unobtrusive care. A wide variety of shapes and types allows you to choose the plant to decorate the site that will best fit into the surrounding landscape. Planting and caring for a spirea is not difficult, even a novice gardener can handle it.

Spirea: types and varieties

The genus spirea belongs to the pink family and is quite numerous, it includes more than 70 species. The distribution area of ​​this deciduous shrub is wide. It can be found in the northern hemisphere in most climatic zones. Spirea rarely has single flowers, most often they are collected in a corymbose inflorescence, sometimes in a panicle. The color of flowers depends on the flowering time of the species. Plants blooming in spring have white flowers that bloom on last year's shoots, in species blooming in summer pink-crimson gamut prevails, flowers are located on annual growths.

The most common types.

• Medium spirea - an inhabitant of Siberian and Far Eastern forests, a tall shrub - above 2 m with white corymbose flowers that open in May and do not fall for 3 weeks, frost-resistant and drought-resistant, used in landscaping, suitable for northern regions.
• Spiraea birch-leaved - grows in Siberia, from 1 to 2 m in height, white flowers are collected in huge shields - up to 10 cm in diameter, blooms at the end of May and blooms throughout June.
• Spirea crenate - has been used in landscaping for 200 years, there are cultural hybrid varieties. In nature, it is a low, up to 1 m shrub that blooms at the end of May. Quite large flowers are collected in corymbose inflorescences, due to the large number of long yellow stamens, it seems that they have a golden hue. This type of spirea is drought-resistant and frost-hardy, can be used to strengthen floating soils.
• Spirea St. John's wort is a shrub up to 1 m high, flowering - May-June, white flowers, is used to obtain new forms of the plant.
• Gray spirea - the result of crossing the previous species and whitish-gray spirea, has highly decorative varieties that bloom in spring. The most beloved variety of this species by flower growers is Spirea Grefsheim. The shoots of the tall bush bend towards the ground under the weight of flowers that completely cover the bush. The flowering is so abundant that the leaves are almost invisible.
• Spiraea is oak-leaved - blooms with umbrella-shaped inflorescences of white flowers with a large number of protruding stamens for 25 days, flowering occurs in May-June. The species is used in culture, it tolerates a haircut well.
• Spirea Nipponskaya came to us from Japan - this highly ornamental shrub 1-2 m high is decorated with yellowish-white inflorescence shields that appear in June. It does not differ in frost resistance; in severe winters, the tops of the shoots freeze slightly, but quickly recover. The most famous variety is Snowmound. A huge number of flowers on a bush up to 1.5 m high makes it very decorative at the time of flowering. The width of the bush is 2 times the height.
• No less decorative and spirea Wangutta is a hybrid species that blooms very profusely in June-July with white flowers collected in shields. The bush has an average height and can freeze slightly in frosty winters.
• Japanese spirea is quite thermophilic, but due to the low height of the bush - up to 1 m it winters without loss, covered with snow. The most interesting varieties are Little Princesses and Shirobana. Little princesses - a bush up to 80 cm high and up to 1.2 m wide blooms very profusely in June-July with pink flowers collected in medium-sized shields, grows slowly. Shirobana is a bush up to 0.8 m high and up to 0.6 m wide, blooms in mid-summer. Flowers in corymbose inflorescences have three colors - white, pink and crimson, if you cut off faded inflorescences, new ones will decorate the bush for another month.
• The adorable spirea stands out among other species by double flowering: in June on last year's shoots and in July and August on newly regrown ones. Flowers are collected in complex shields, can be white or pale pink. The species does not differ in frost resistance - up to -18 degrees, so in the middle lane it hibernates under cover.
• Spirea Bumald is a decorative hybrid species, it also has a yellow-leaved form. The bush is low - up to 0.8 m in width and height. It blooms for more than 3 months with bright pink flowers in large shields. The most famous variety is Antoni Vaterer.
• Willow spirea grows wild in Siberia. The tall bush blooms in July and August with bright pink flowers collected in pyramidal panicles.
• Spirea Douglas grows above 2 m.In the second half of summer, it is decorated with pink flowers, collected in a paniculate inflorescence.
• When crossing the previous species and spirea willow leaf we got Billard's spirea. A tall, frost-resistant shrub blooms in the second half of summer and is decorated with large pink paniculate inflorescences until the very frosts.
• Also, the hybrid spirea is lilac-colored for a long time, only paniculate inflorescences, in accordance with the name, have a lilac-pink color. The bush can grow up to 2 m.

Spirea: features of cultivation

Spireas are unpretentious, but with proper careful care they give abundant flowering. Different flowering times dictate different pruning times. Some species and varieties have special soil and maintenance preferences. Most spirits prefer humus-rich, but not heavy soil without stagnant water, but they will feel good even on not very fertile soil. To keep the roots from getting wet, they need drainage. But before you plant a plant, you need to propagate it.

Shrub propagation

Spirea is very easy to propagate. Some species produce root shoots that can be transplanted. Parts of a divided bush take root well. Flexible shoots allow cuttings to be rooted. For propagation of all species, cuttings can be used, and for non-hybrid forms and varieties, seeds can also be sown.

Cuttings

When rooting the cuttings, you will get an exact copy of the parent plant.Green cuttings in early flowering varieties are cut at the beginning of June, and in late flowering varieties at the end of the month. For already lignified cuttings, the best rooting time is autumn, September or October.

• The annual green shoot is cut and cut into pieces with 5-6 leaves.
• Remove the bottom pair of leaves, cut the rest by half.
• The lower cut is placed in a vessel with an epin solution for 12 hours.
• It is treated with a powdery root stimulant.
• They are planted in a container with loose soil, sprinkled with a layer of sand at an angle of about 40 degrees to stimulate root formation.
• Cover with a film or glass jar and put in a lacy shade under the trees.
• They moisten the soil in the cuttings, preventing it from drying out, and the cuttings themselves are sprayed several times a day.
• In the fall, the container is dropped into the soil, mulched with fallen leaves and covered with a wooden box.
• In the spring, the shelter is removed. After the appearance of young shoots, the plants are planted in the garden in a permanent place.

Seed propagation

In non-hybrid varieties and species, seed germination reaches 80%. Collect them when the boxes turn brown, but have not yet opened. Dose in the room for 2 weeks. You can sow both before winter and in spring. Seeds do not require stratification. Seedlings dive when 2 true leaves are formed. Further care: watering as needed, 2 dressings with full mineral fertilizer. In the fall, seedlings are planted in a seedling bed, and next year in a permanent place. They begin to bloom for 3 years.

Landing in open ground

Proper planting is the key to abundant flowering and plant health. It is very important to maintain the optimal distance between the plants in order to provide them with the necessary nutritional area. When laying a hedge, it is enough to plant spireas 30 cm apart, for a normal planting the distance should be greater, since the bushes grow strongly in width: for tall varieties - about 1 m, for undersized varieties - 0.8 m.

The choice of planting material

Now on sale there are many varieties and hybrids of spirea. The choice of a plant depends, first of all, on what place the spirea will occupy in the landscape design of a particular site. A hedge will require many plants of the same species, it is better if they are tall. As a tapeworm, you can plant an openwork bush with long flowering. On an alpine slide, undersized compact varieties will be appropriate. But whichever variety you choose, the plant should have a developed and healthy root system, consisting of 3 taproots and a well-developed lobe covered with a clay mash. With spring planting, not swollen buds, and with autumn planting, already flown leaves. It is best to choose a container-grown seedling that can be planted throughout the growing season.

How and when to plant?

Spirea is planted in pre-dug holes. Their size should be slightly larger than the root system of the plant. Usually the depth is about 70 cm, 20 of which falls on the drainage of expanded clay or brick fragments. The diameter of the hole is determined by the size of the roots.

Landing Algorithm:

• a plant is placed on a mound of earth poured in a hole, spreading the roots;
• fill up the earth, taking into account that the root collar is strictly at the level of the soil;
• watered in the planting circle using 2 to 3 buckets of water;
• mulch the soil around the bush with a layer of peat 7 cm thick.

Planting time depends on the selected variety: late flowering plants are planted in spring, early flowering ones - in autumn, but no later than 3-4 weeks before the onset of frost.

Soil preparation and site

The planting site should be well lit by the sun, a little shading is allowed during the day. It must be remembered that in the shade of the spirea it blooms badly.

This plant is undemanding to the soil. The preferred soil for spirea is light sod or leafy, with a neutral or slightly acidic soil reaction. Heavy clay soils are improved by the addition of sand and peat; a little clay should be added to light sandy soils.From fertilizers, you can add Art. tablespoons of long-acting ABA fertilizer for each bush. This amount will be enough for the plant for several years.

The nuances of planting in spring, autumn

If the variety blooms in summer, it is better to plant it in spring, early flowering varieties are planted in autumn, but so that the bushes take root before the onset of frost. In both cases, the plants must be dormant. In the spring, the buds should not yet swell, and in the fall, the leaf fall should already end.

Outdoor care for spirea

An unpretentious plant does not require special care measures, but top dressing and watering made on time will provide it with maximum decorative effect.

How to water properly?

Spirea is a drought-resistant plant, but in extreme heat and in the absence of rain for a long time, it must be watered. This is especially true for recently planted bushes. For an adult plant, the watering rate is 1.5 buckets per bush. For undersized species and varieties, one bucket is enough. Watering is sufficient once every 2 weeks, well soaking the root layer.

Fertilization and feeding

In order for the spireas to grow and bloom well, they should be fed regularly.

You can choose the following power plan:

• in spring, nitrogen mineral or organic fertilizer; for early flowering varieties, additional feeding with complete mineral fertilizer with microelements is needed;
• in June, plants are fed with full mineral fertilizer;
• at the end of August, fertilizing with phosphorus and potassium salts is needed so that the spireas are better prepared for winter.

At the end of summer, spireas cannot be fed with any fertilizers containing nitrogen, this can provoke the growth of new shoots that do not have time to ripen and freeze in winter.

All dressings can be applied both dry and liquid, combining them with watering. The next day, the soil around the plant must be loosened.

Spirea pruning

It is held on several dates, depending on the destination.

• Spring pruning is sanitary. Only dry and frost-damaged shoots are removed.
• Formative. Spireas blooming in the summer on the shoots of the current year are pruned in the spring immediately after the snow melts, combining formative pruning with sanitary pruning. Thin branches thickening the bush are removed - they will not give a good flowering. Different types of spirea have their own subtleties in pruning. Douglas and Boomald spire pruning begins only in the fourth year of life. Miniature varieties not exceeding 40 cm in height are cut into 2 buds. Cut out shoots with foliage that does not match the color of the variety. After flowering, the seed pods are removed, if there is no need for seeds - this contributes to the re-blooming of the inflorescences. It is enough to cut off a third of the shoot. The green hedge is trimmed to give the desired shape. Spring-flowering spireas form after flowering, cutting off shoots at the level of a strong young growth. The crown of the bush should be symmetrical.
• Anti-aging pruning. It is carried out in adult bushes, starting from the 7th year of life. All old shoots are removed, leaving no more than 5-7 young ones, while maintaining the symmetry of the bush. This pruning is best done in several stages, so as not to greatly weaken the bush.

Preparing for winter

The first wintering at a recently planted bush is a serious test. But adult plants, despite the frost resistance of most varieties, and species also need to be prepared for winter. For many of them, it is enough to feed the plants in August with potash and phosphorus fertilizers, to carry out moisture-charging irrigation after leaf fall and to mulch the trunk circle with humus.

For less frost-resistant varieties, you will have to build a shelter:

• tie the branches into a bunch;
• bend the beam to the ground, fixing it with special fasteners;
• fall asleep with dry leaves;
• additionally throw in snow.

Plant diseases and pests

Spirea does not often suffer from diseases, but in a damp summer it can be damaged by powdery mildew and gray mold. To eliminate them, copper-containing fungicides, Fitosporin, colloidal sulfur are used.

Among the most common pests are aphids, blue meadow sawfly, whitefly and spider mites. Insecticides are effective against the first three: Fitoverm, Actellik. Insectoacaricides are suitable against the tick: Metaphos.

The nuances of growing in Siberia, the Urals, in the Moscow region

Almost all varieties and types of spirea are suitable for growing in central Russia. Shrubs such as Japanese Spirea and Nippon Spirea need additional winter shelter.

In the Urals, the climate is more severe. In its southern part, almost all types of spirits will grow well. In the middle lane and, especially in the north, frost-resistant shrubs should be preferred. The same can be said for spirea in Siberia. Only undersized varieties are able to overwinter under the snow without any special losses. If medium and tall plants are not covered, then constant frosting in winter is guaranteed to them, decorativeness and abundant flowering cannot be achieved in such conditions.

Correctly selected varieties of spirea are able to create a flowering conveyor throughout the growing season and will be a real decoration of any garden.

There are about 90 species of the spirea plant. They grow mostly in the forest-steppe, steppes and semi-desert zones of the northern part of the globe. The genus as a whole is characterized by a wide variety both in terms of shapes and colors - there are pyramidal, erect, creeping species with orange, yellow, purple-red foliage.

This allows you to implement almost any design idea in your garden, in a greenhouse, and so on. By choosing various combinations of several types of spirits, experienced gardeners achieve continuous flowering from spring to autumn, moreover, these plants themselves are distinguished by abundant and long flowering. According to this characteristic, each species is included in one of 2 groups - spring-flowering or summer-flowering. The first ones bloom with white flowers on last year's shoots, and the second ones - pink, red, crimson on new ones.

Spirea varieties with photos and names

Spring flowering spireas form numerous bushy stems, of which a 10-year-old specimen can number from 30 to 60. These include:

Spirea Wangutta - 2-meter tall, with drooping branches and colorful leaves (gray-green color changes to motley orange in autumn).

Spirea Argut - one of the earliest flowering species, with a lush, spreading bush, about 2 meters high and a pleasant aroma of flowers that cover the entire surface of the branches.

Spirea nippon - no more than 1 meter in height, spherical with the outlines of a creeping bush in the form of a bush covered with flowers throughout.

Spirea Thunberg - its foliage changes color from green in summer to orange-crimson with the arrival of autumn.

Spirea crenate - a rare species under protection, about 1 meter tall, with a loose crown, grayish-green foliage crenate at the edges, and corymbose inflorescences of white flowers with a yellow tint.

Spirea gray - a hybrid of several species at once, more than 1.5 meters high, with drooping branches and gray-green foliage.

Its variety is widely known. spirea grefsheim 2 meters high, with drooping brown branches and a lush crown.

Summer blooming includes the following species:

Japanese spirea

One of the most common species in horticulture. Magnificent bushes with pubescent young stems, 1.5 meters high, are covered with ovoid foliage, glaucous below and green above. When autumn comes, the leaves turn fiery red. Flowering is very long - pinkish-red flowers adorn the garden for more than 60 days.

On the basis of this spirea, many varieties were bred, for example, blooming in June-July spirea little princesses with a spherical crown more than a meter in diameter, ellipsoidal green foliage and pinkish flowers.

Spirea shiroban (genpey) is a small (less than a meter tall) shrub with thin green foliage, white and pink flowers, blooms in full summer.

Variety spirea goldflame has a height of 80 cm, foliage that changes color from yellowish orange to rich orange in autumn and small red or pink flowers.

Spirea crisp even lower - up to 50 cm in height - with a spherical crown, erect stems, crowned with umbrellas of light pink inflorescences.

The most winter-hardy and one of the fastest growing varieties - spirea macrophile - grows 1.5 meters in height, blooms in June-August with pink corymbose inflorescences, also stands out against the background of other varieties with large (up to 20 cm long) and wrinkled foliage, which is painted in dark red tones in spring, becomes in the middle of summer green, while in autumn it is golden yellow.

Spirea Goldmound - a dwarf form no more than 25 cm in height, blooming from mid-July with small pink inflorescences, with bright yellowish-golden foliage and a spherical bush shape.

Variety spirea albiflora (or simply - white) is slightly higher (under 60 cm), has oval green foliage and differs as unusual for summer-flowering spirits as for the usual spring-flowering color of flowers - snow-white, while in the flowering phase the bush exudes a wonderful aroma.

Spirea Bumald

A species that blooms in June-September, with a catchy compact bush up to 1 meter tall, reddish foliage, multiple flat corymbose inflorescences of pink-lilac color and multi-colored stems (young ones are painted green, older ones are brown-red, peeling) ...

Spirea willow - is huge, its height is 2 meters, and the length of the leaves is 10 cm, the stems are erect red, and the flowers, organized in inflorescences, are inherent in white and pink colors.

Birch spirea - named so, due to the similarity of foliage with birch, characterized by a shrub less than a meter high, a spherical crown, ribbed curved stems, variegated yellow foliage, dense white and pinkish inflorescences and flowering in June from 4 years of age.

Spirea Douglas - from North America, with straight brown-red pubescent stems, oblong-lanceolate foliage with irregular teeth and pink flowers, pleasing to the eye from July for about 45 days.

Spirea Billard - a very winter-hardy hybrid of willow spire and Douglas, wildly growing in the south of the Caucasus Mountains, in the Arkhangelsk region, 2 meters tall, with spreading branches, broadly lanceolate foliage (about 10 cm), bright pink flowers that form dense inflorescences-pyramids, blooming from early August until the onset of frost.

Spirea dwarf - also a hybrid, on the contrary - not winter-hardy, rarely found in gardening, according to the name, it differs in stunting (20-30 cm), creeping shoots, oblong oval-toothed foliage along the edges with pointed tips (the length of the leaves is from 1 to 3 cm, width - up to 1.5 cm, color - grayish with pubescence below and green above) and white, like in spring-flowering species, flowers in paniculate inflorescences blooming in the second half of June.

Spirea Kalinolistnaya

Separately highlight the view spirea, or rather - vesicle, which is popularly called “meadowsweet”, However, if you are aware of the official classification of these plants, it turns out that they represent one family (Rosaceae), but two different genera - vesicle and spirea.

The gallbladder grows in the eastern part of North America. In comparison with spireas, it is incredibly tall, reaching a height of 3 meters, has spreading, drooping branches that form a dense, hemispherical crown. The foliage, at the same time, does not differ in large size - 4 cm in length, with serrate-toothed edges, the top of the leaves is green, and the bottom is lighter, sometimes with slight pubescence.

The diameter of the flowers that are related to the spirea is 1.2 cm, they are white or pink in color, they are collected in corymbose inflorescences. The plant is characterized by frost resistance and a short flowering period relative to spirits - about 3 weeks.

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Spirea planting and care in the open field

To get a healthy and strong spirea bush in the open field, special skills are not required. But, in particular for the Japanese variety, there are certain rules of care. She, as you know, is included in the list of summer flowering, which means that it is better to plant in the spring, and you need to have time to do this before the buds begin to bloom. The optimal time is considered to be evening, in cool cloudy weather.

The photophilousness of the plant determines its good growth in a sunny area, however, partial shade is also suitable. A preliminary examination of the seedlings is necessary for the presence of damaged roots, which must be cut using a pruner. After inspection, the roots are treated with root or heteroauxin according to the instructions.

When planting, the root collar is positioned flush with the soil surface. The planting hole itself must be dug to a size that exceeds the size of the roots by at least 2 times. After completing all these procedures, a hole is weeded around the circumference of the bush and watered well until the earth subsides.

Tavolga is also a member of the Pink family, grown when planting and nursing in the open field without much hassle, but requires compliance with the rules of maintenance. All the necessary recommendations for growing and caring for this plant can be found in this article.

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Watering spirea

Due to the fact that the root system of spirits does not penetrate deeply into the ground, it is not easy for them to tolerate the dryness of the soil, and they begin to dry out on their own.

Given this, the plant should be moderately watered during dry periods with 15 liters of water per bush twice a month.

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Soil for spirea

The composition of the soil does not really matter, but on fertile, drained, moderately moist soil, the spirea will bloom more abundantly. It is recommended to fertilize poor soil with peat or a mixture of sand and leafy soil and, if necessary, arrange drainage from pebbles or broken bricks.

For the Japanese spirea, periodic weeding and loosening of the earth is also important, which facilitates the flow of air to the roots.

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Spirea transplant in the fall

Transplanting and dividing the bush is especially relevant if the plant is 3-4 years old. In cases with older specimens, everything is complicated due to the fact that the earthen lump becomes large, and it is difficult to manipulate it.

In the autumn, both spring and summer flowering spirits are planted. As usual, the autumn planting is carried out in conjunction with the transplantation of the divisions before the leaf fall ends. The bush is dug along a radius slightly exceeding half of the projection of the crown, while, if it is necessary to cut down some roots, the plant will not suffer.

After removing the bush, it is worth rinsing its root system - not very overgrown young growth is placed in a container filled with water, the earth is allowed to turn off and settle, and the root system is washed with running water. Cutting is performed with pruning shears to form 2-3 pieces with a good root lobe and 2-3 strong stems. Cord-like roots should be trimmed, the entire root system as a whole should be straightened (this can be done even during flushing).

In the dug hole in the middle, a mound is poured into the earth, a seedling is placed on it and the roots are again smoothed, then they are covered with soil, the surface of which must be crushed. The transplanted plants are watered several times. Only summer-flowering species can be planted in spring. Purchased seedlings should be carefully examined - they should be without overdried roots, with flexible stems containing powerful buds.

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Spirea fertilization

When planting, it is recommended to apply a complex long-acting AVA fertilizer in the amount of 1 tablespoon of granules to ensure uniform plant nutrition for 2-3 years.

This top dressing will supply the spirea with all the required macro- and microelements, except for nitrogen, which can be added separately in spring together with mineral (30 grams of urea or 100 grams of kemira per square meter) or organic (compost with a layer of 5-7 cm thick) fertilizer.

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Spirea pruning

Trimming the spirea is one of the most important points in caring for it. With its help, gardeners achieve the beauty of the forms and the full flowering of these plants every year.

The process should start in early spring - remove weak and dead stems that develop to shorten them to strong buds. Age specimens (more than 4 years old) must be cut vigorously - 20-25 cm from the soil surface.

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Spirea in landscape design

Clumps of variegated spirits can provide a very long flowering period - from May to September. New varieties with decorative foliage will add elegance to the composition even in late autumn.

The effectiveness of massive group plantings of spirea, lilac and mock-orange together with, for example, lilies of the valley is manifested throughout the year, except, of course, winter. At the same time, the color of the latter is selected in accordance with the varieties of spirits, and, given their rich choice, it will not be difficult to carry out the plan.

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Spirea preparation for winter

Japanese spiraea is quite frost-resistant (some of its varieties mentioned above are distinguished by special winter hardiness). However, shelter for the winter will not hurt her, in particular, when it comes to a young shrub.

The bending of the shoots to the ground can fully guarantee a successful wintering with the Japanese spirea (as, incidentally, the Nippon, Bumald). Pinning them and covering them with dry leaves on a layer of 10-15 cm.

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Reproduction of spirea by cuttings

Reproduction of spirits, in addition to the division of the bush described above, is possible by cuttings and seed. Cutting gives a very good result - rooting with a probability of 70% without using a growth stimulant.

Spring-flowering species are cut in early June, summer-flowering species - at the end of June or next month. In autumn, the cuttings become lignified, and they can be rooted (approximate time - September-October).

After cutting a straight one-year shoot, it is cut into pieces with 5-6 leaves. The leaves in the lower part of the cutting must be removed with petioles, the remaining ones must be cut by 1/2, then the cuttings must be placed in dissolved epin for 12 hours (1 ml per 2 liters of water).

Before planting the cutting in a pot of moistened sand, it will not be superfluous to sprinkle the lower node with a rootstock. Landing angle - 30-45 °. It is also necessary to provide a cover, which can be glass or film.

The pot should be in the shade, the cuttings should be sprayed with water 2-3 times a day. With the arrival of frost, cuttings are dropped in the garden bed, covered with foliage, placed on top of the box with the bottom up and left so until spring. Next year, the cuttings will acquire new stems and will be ready for planting in a permanent place.

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Spirea from seeds

The seed method cannot be used to propagate hybrids, because it leads to a loss of varietal qualities. Sowing is carried out in the spring in boxes with a substrate consisting of leafy soil or well-ventilated high-moor peat.

Before sowing, the surface of the substrate is moistened, and then lightly sprinkled with peat or earth. The seedlings will all sprout together (the probability of sprouting is 50-100%). After 8-10 days, after which it is recommended to immediately treat them with foundation (20 grams per 10 liters - per 3 square meters of territory) to protect against fungi.

In the 1st year, the spirea planted in this way will form one winding stem without branches and a root system consisting of a taproot and several lateral ones.

Seedlings dive 2-3 months after the seedlings appeared (or in the 2nd year, if the seedlings are weak). Moreover, it is better to do it in cloudy or in the evening. They are removed, the roots are slightly pruned and moved to the garden bed, which is then carefully loosened, moistened and mulched. In the 1st year, the seedling will reach a height of 5-10 cm, and already in the 2nd year, its development will noticeably accelerate.

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Diseases and pests

Spireas do not tend to be attacked by any pests, and their decorative appearance is not particularly dependent on external influences. One of the most influencing the state of the plant is spider mite, the females of which spend the winter under fallen leaves, and in May they settle on the underside of young leaves.

The appearance of whitish spots on the upper sides of the leaves testifies to the defeat, they are out of time turn yellow, dry and crumble... Most of all, the pest is noticeable in July-August, especially if the summer is dry.

Acrex (0.2%) will help to effectively cope with the problem. It is better not to postpone the treatment - it is worth starting already when there are 2-3 parasites on the leaves.

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Spirea (Spiraea) is a genus of ornamental deciduous shrubs. Spiraea means bend. The name of the plant accurately confirms the graceful flexibility of its branches. Today, spirea has become widely known everywhere.

There are many types and varieties of this beautiful shrub, which differ in both their decorative effect and the length of the flowering period. One of them is the Japanese spirea Genpei. How to grow, care, propagate, what problems an amateur gardener has when growing a spirea and everything interesting about this amazing plant further in the article.

Spirea shrub: description

Along with the fact that it is unpretentious in cultivation, this deciduous shrub is also unusually beautiful. Its long and plentiful period of charming flowering attracts the attention of many novice florists and professional florists. This plant, being in a park or garden, fills the area with a unique atmosphere of tenderness and beauty.

Spirea Shiroban

There are not so many species, interspecific hybrids and varieties that spirea has in any decorative culture. There are up to 90 species of shrubs in this genus. Among them there are dwarf ones, the height of which is no more than thirty centimeters, but there are also magnificent views, up to two and a half meters high and the same width. Spirea bushes come in different shapes: weeping, pyramidal, cascading, creeping and others.

The shrub is in bloom from two weeks to 60 days or more. Representatives of some species begin to delight with their flowering in early spring, while in others it happens in summer sometimes. There are also types of meadowsweet that begin to bloom at the very end of summer. If the planting of the spirea is carried out with the correct selection of varieties from the entire assortment, the plant will be able to delight with flowering, starting from April - May and ending in late autumn.

Spirea tolerates severe frosts, in addition, it is drought-resistant. It grows quite quickly, and lives, retaining its attractive appearance, for decades. This shrub retains its decorative effect all year round, even in winter, including the Shiroban spirea.

Shirobana

Spirea Japanese "Genpei" - Shirobana (Spiraea japonika "Genpei" Shirobana), is a low, very original summer flowering shrub. Its height reaches 80cm. with a crown diameter of 1.2 meters. The length of the tomentose-pubescent shoots is about two centimeters. They are reddish brown, serrated.

Densely strewn branches, the leaves are ovoid, somewhat oblong. The Shirobana variety has small leaves. Their color is dark green above, and dull gray below. In the autumn period, they are a decoration of the plant, sometimes acquiring a yellow, sometimes red color.

Japanese spiraea (spiraea japonica) "Shirobana" resembles a chameleon.It has beautiful white, pink and red flowers that cover the shrub at the same time, flowering continues throughout the summer until early fall. When the bushes are covered with inflorescences with a double color, they are simply mesmerizing with their magical appearance. To prolong the existence of such beauty, you need to remove inflorescences that have already faded in time. Flowering ends on the shoots of this year, the next year, flowers begin to appear again on young shoots, the old branches dry up.

Spirea Japanese Jenpei (Spiraea japonica Genpei) prefers sunny places and areas with loose light soil. This shrub became widespread in Japan and China.

Growing features

Planting and care of the Shiroban spirea, like each plant, requires its own characteristics, namely:

• The composition of the soil should be as follows: sand, peat and earth in a ratio of 1: 1: 2;
• In the pit for planting, there must be a drainage layer, you can use pieces of broken brick;
• The pit in which the plant will be planted should be one third larger than the rootstock of the plant's seedling;
• Planting must be carried out at a depth of at least half a meter, the root collar must necessarily be at ground level;
• The best time for planting is the beginning of autumn, the best weather is cloudy, rainy;
• Thuja, juniper and spire are good neighbors for spirea.

These rules must be adhered to. The plant, although not very whimsical, but compliance with certain conditions will guarantee a long and abundant flowering.

Planting spirea

As mentioned earlier, spirea is a very light-loving plant. A good lush shrub can only be grown in rich soils. Landing should be done in a hole, the depth of which is half a meter. The root growth of Shiroban's spirea bushes is abundant and occupies a considerable area, this must be taken into account before planting a seedling. For group plantings, the row spacing between plants should be no more than 0.7 meters, if they are planted in a row, the distance between them in a row should be about half a meter.

A prepared pit for a spirea seedling should stand for about four days. It is necessary to place a drainage layer in it only on the day of planting. During planting, a long-acting complex fertilizer will have an effective effect. One tablespoon of the granules will help the plant to feed enough for 2 - 3 years in a row. Having placed the roots of the bush in the pit, they must be carefully straightened, covered completely with earth, compacted well and then pour out two buckets of water, then be sure to mulch with peat.

When purchasing seedlings, you must first of all pay attention to the roots, they must not be overdried. A seedling can only be purchased when inspection shows that the shoots are flexible, with good buds. Before planting the acquired plant, you should bring it to its proper form: shorten the overgrown roots. If they are dry or damaged, it is recommended to cut off the shoots, and place the roots for a while in a container with water, and only then can they be planted.

Plant care

Caring for the Shiroban spirea is not difficult. Its survival rate is excellent, it grows well, in whatever climatic conditions it is planted. It can be found in all corners of Russia. But what needs to be done to achieve beautiful flowering?

Caring for young plants consists in the timely mandatory loosening of the soil if it becomes compacted as a result of heavy rains or watering. If the crust is not destroyed in time, oxygen starvation will occur and the plant can die. In late autumn, after loosening, the trunks should be covered with mulching material. This can be compost, peat, or walnut hulls.

This also includes regular weeding.At the very beginning of spring, the planted shrubs should be fed, for this, one of the complex fertilizers should be applied under each of them, guided by the attached instructions. Young plants respond well to mullein feeding with the addition of 10 grams. superphosphate in a bucket of solution produced in the month of June.

Since the root system of the spirea is not deep, dry soil negatively affects its growth and flowering. Therefore, care also consists in moderate watering in dry summers. The shrub should be watered at least twice a month, pouring one bucket of water under the bush. It is important to give the plant enough water after flowering and pruning. Young spirea needs more frequent watering.

Proper care also means maintaining the beautiful appearance and shape of the crown. To do this, you need to carry out spring pruning of shoots. All types of spirea, including Jenpay, tolerate a haircut normally. But, before proceeding with such actions, you should know what year the shoots on which the inflorescences are formed. This will determine in what way you need to shorten them.

Once again, it can be recalled that caring for a spirea is not difficult, even if it refers to preparing a plant for a dormant period. Although the shrub is winter-hardy, one should not forget that winters are often snowless, but very frosty. It means that there is no need to risk losing the favorite of the garden, but to cover its roots with a thick layer of dry leaves. Such care has not yet prevented any ornamental plant.

Correct pruning

The bushes of any shrub grow from time to time, and it becomes necessary to bring them to their proper form, or rather, to cut them off. Sanitary pruning of old shoots in summer-flowering spirea is carried out every year in early spring. This procedure must be done until the leaves appear. The shoot should be cut almost to the buds. If it is weak or stunted, it must be removed completely.

The more the old growth is cut, the stronger the young shoots will grow and form a powerful, strong, beautiful shrub. Four years from the moment of planting, and then every year, you can carry out a radical rejuvenating pruning of the spirea, while cutting the bush so that only 30 cm remains. from ground level. When after this the plant remains weak, unsightly, it must be replaced.

If such a care in the form of a haircut is not done, the spirea will not have such a rounded shape, its old branches will begin to lie on the ground, and after a certain period of time the bush will completely lose its attractiveness and begin to crumble completely. If you spare the plant when pruning, a large number of thin young twigs will grow on it, which are not able to revive attractive inflorescences.

Once pruning is complete, plant care does not end. It must be immediately watered with a manure solution or, even better, a superphosphate solution, taken in a proportion of 10 g. fertilizers for 10 liters. water. This or that mixture is poured under the roots of the bush.

Reproduction methods

Japanese spirea Jenpei (Shirobana) Spiraea japonica Genpei (Shirobana) reproduces in three ways:

• Cuttings;
• Reproduction by layering;
• Reproduction by dividing the bush;
• Generative propagation by seeds.

The last method is very laborious. It is available mainly to breeders for breeding new varieties, because they do not have the property of retaining the variety. During the application of this method, the collection of seeds is carried out in the fall, at the right time they are sown for germination in boxes with earth. The sprouts are planted in open ground in the spring, after fertilizing the soil in advance.

The method of grafting turned out to be more effective. Its results - a large number of cuttings were able to take root even without their treatment with growth stimulants. When propagating in this way, an annual shoot is chosen, cut into pieces, on which there should be no more than 6 leaves. The leaves below are removed.The remaining leaves are shortened in half, then the prepared stalk is placed for 6 hours in a container with an epin solution. For its preparation, take two liters of water and 1 ml. funds. Then, having powdered the lower knot of the cutting with root, plant it in a pot of wet sand. The landing angle should be 30-45 degrees.

The planted cuttings should be covered with glass on top and left in the shade, sprinkling with water three times a day. At the first frost, dig pots with cuttings into the ground, covering them with leaves, there they will remain until spring. The next year, as soon as the first shoots appear on the cuttings, they are planted in a permanent place.

The simplest and, at the same time, the most effective method turned out to be propagation by layering. Spirea seedlings from cuttings take root remarkably. To achieve this, you need to bend one of the branches to the ground, attach it well and cover it with soil from above. After a while, it will begin to take root and take root. After that, the branch should be cut off from the bush and the already ripe seedling should be planted.

Another available method of plant propagation is dividing the bush. It can be carried out both in autumn and early spring. If you divide the bush in the spring, then you need to be in time before the time until the first buds appear on it. With the method of plant propagation by dividing the bush, a rapid onset of growth is observed, which is an advantage among other methods. Possible infection of the root system is a disadvantage of this method. This problem can be avoided by soaking the roots of the seedling in a solution of one of the fungicides.

Plant pests and diseases

It is a great regret that Japanese spirea (Spiraea japonica) is a favorite not only of people, but also of some pests. If preventive measures are taken, the plant can be protected from such a misfortune, preserving the beauty and decorative effect of the shrub for a long time.

Of the pests, the most dangerous is the spider mite, which can be identified by the cobweb, non-seasonal yellowing and leaf fall, the appearance of holes on the leaves and inflorescences. The shrub becomes sickly, unsightly. The tick must be started to be destroyed, without wasting precious time, at the same hour after detection. Currently, there are many effective remedies to combat it. For example, malofos and phosphamide, they should be sprayed according to the instructions for use.

Probably, every gardener had to deal with such a pest of garden plants as aphids. She is most annoying spirea, especially in summer. The main harm that it does is biting off the inflorescence completely and sucking the juice out of them. This gluttonous pest can be recognized by its caterpillars and leaves completely gnawed.

Aphid control and preventive maintenance includes the use of a combination of natural and chemical products. Aphids do not like Pirimor 0.1. It should be used by adhering to the description for use.

Plants that act as partners for spirea

Spirea Shiroban looks beautiful not only when planted together with other types of spirea, there are many other plants that can create effective large group plantings. Such a group will delight nature lovers with beautiful flowers and decorativeness from spring to late autumn.

Now there are so many plants that it will not be difficult to pick them up for group plantings along with the Shiroban spirea. If you plant periwinkle, saxifrage shady, multicolored lungwort, gray cerastium in near-trunk circles, they can create a wonderful look of carpet near the bush.

Bulbous, the main soloists of spring, in large group plantings of spirea can create a unique picture of several varieties of different flowers. These include daffodils of different colors, multi-colored tulips, all kinds of hazel grouses, intense blue muscari and many others.It is especially important that their color is in harmony with the spirea. It is worth noting that it will not be a mistake to plant in front of a spirea bush of various colors of viola cornut, which blooms before the beginning of winter, creating the brightest pictures.

Usage

Spiraea japonica Genpei (Spiraea japonica Genpei) is unmatched in garden design. It is used in hedges, to create curbs, and is planted on slopes instead of a lawn. Some varieties are suitable for rockeries, they are used for planting at the edge of the taller shrubs.

All spireas are excellent honey plants, they can be planted in places where hives are located. Plants are used to create bouquets. In addition to all that has been said, Japanese spirea plays an important role in improving the sanitary and hygienic improvement of the environment.

After a person becomes aware of what methods of planting, what care should be taken for the plant, what features the Japanese spirea Jenpei (Shirobana) (Spiraea japonica Genprei) has, he will definitely have a desire to plant this marvelous ornamental shrub.