Hortensia large-leaved: preparation for winter and pruning. Shelter for the winter hydrangea large-leaved

Hortensia already for several centuries pleases the person with its beauty. Even in the eighteenth century, this flower attracted the attention of lovers and connoisseurs of exotics. Homeland hydrangeas are America and South-East Asia. The flower received its name in honor of the name of the princess, the sister of Charles Henry, who in 1768 ruled the Roman Empire. In Europe, the plant was brought from Japan in the early 19 th century.

Hortensia has 35 species and is a deciduous or evergreen shrub, tree or liana, depending on the species. It is a flower of amazing beauty, for which it is valued and grown on its sites by gardeners. To create compositions more often use hydrangea large leaf. Its terry inflorescences differ in size and variety of shades and colors.

Description of the species

The hydrangea of large leaves is a deciduous plant up to two meters high. Its shoots are upright, and the leaves of the egg-shaped form have a bright green color. From mid-summer until late autumn, the large-leafed hydrangea blooms. Care for the winter is the same as for other plants of this species.

The plant forms globular inflorescences, with which the ends of the stems are crowned. Flowers attract attention with a bright coloration of different tones: pink, lilac, white, red and blue. Interest causes the opportunity to change the color of the flower. For this it is sufficient to change the composition of the soil. On the sour grow flowers of blue color, on alkaline - pink, and on neutral - beige.

Cultivation

Hydrangea is a large-leafed - heat-loving plant. It is susceptible to low temperatures. Shelter for hydrangea large-leaved winter is a prerequisite for growing. Plant the plant in the soil can be in spring and autumn. The soil before planting should be fertilized. And what - it depends on its composition. If the soil is alkaline, it is necessary to introduce acid peat. Hortensia prefers clayey, red soil soils. Before planting a hydrangea in the ground, whether it be autumn or spring, it is necessary to shorten the roots, and in the spring planting time, young shoots too. Only a few pairs of kidneys are left.

Plant a hydrangea at a distance of one meter one bush from the other. Lunks do not deep, enough thirty centimeters, as the root system of the plant is branched, but not deep. In each landing place one third of a bucket of humus is poured. After planting, the hydrangea should be watered abundantly, and the soil should be covered with rotted manure.

Watering and top dressing

A hydrangea plant is a large-leaved hydrangea. Preparation for winter provides for the cessation of all watering, beginning with late autumn. But in the vegetative period it should be watered, and better than rain water, it is softer. One and a half or two buckets of water per plant is enough. If there is no rain for a long time, it is enough for watering once a week; In case of precipitation - once a month. The strength of shoots is increased if a weak solution of potassium permanganate is added to the irrigation water. So that the soil does not crust, after watering it is loosened for better access to the air to the roots.

To feed a flower it is necessary during the beginning of growth and formation of buds, in a period of rapid flowering. At the end of spring - early summer, the first after winter fertilization with slurry and mineral fertilizer is done. Two weeks later they do a second feeding. To increase the acidity, the sawdust and rotted needles are added to the soil. In autumn, the hydrangea bushes hill about 20-30 cm in height.

Preparing for winter

It is difficult to tolerate hibernation in the open ground hydrangea large leaf. Preparation for the winter begins in autumn, when the lower leaves are cut off and the plant is stopped to water. This makes it possible for young shoots to stiffen faster. Before the onset of the first frost, all leaves are removed, except the topmost ones. They will protect the flower buds.

Need for top dressing hydrangea large leaf. Wintering will be more favorable if fertilizers with a high content of potassium and phosphorus are applied to the soil before frost. It is impossible to apply nitrogen mixtures, they can contribute to the growth of shoots this year.

Shelter for the winter hydrangea large-leaved necessarily, otherwise the plant will freeze and not blossom in the spring. Young shoots may die or slightly freeze if severe frosts occur or the plant is not sufficiently covered. In the spring, it is necessary to cut off the frost-bitten part of the stem. This will not harm the plant, since the buds from which new shoots will grow are deep in the center of the bush.

Ways of shelter for the winter

Shelter for the winter of hydrangea large-leaved is carried out in several ways.

• Branches of the plant should be tied with a rope and bend them to the ground, on which boards with nails driven in a short distance are laid in advance. To them, bind the plant and fall asleep with fallen leaves, and then cover with lutrasilom with holes for air access. Young hydrangeas are laid on spruce branches, they are pressed on top with stones, covered with leaves and covered.
• Need for shelter hydrangea large leaf. Preparation for winter is as follows. On the fir branches, laid around the bush, a thick layer of dry leaves are poured. Then the plant shoots are arranged in a circle. All this is sheltered by available materials layer by layer: spruce branches, lutrasil, sawdust and again spruce branches. A film or roofing felt is stretched from above.
• Shelter large-leaf hydrangeas can do so. A frame made of mesh is made around the wounded sack of the hydrangea bush. The distance between it and the plant is covered with dry leaves, and on top the structure is covered with a material that does not allow water to pass through. It can be a ruberoid.

• A large-leaved hydrangea is considered to be a claim to the care of a plant. Preparation for winter begins long before its onset. In the summer, all the leaves at the bottom of the plant are cut off. With the onset of autumn, shoots bend to the ground and are pinned on top with plywood. Before the first frosts, the branches are tied, pinned down and covered with earth and fallen leaves. Plywood is placed from above. To ensure that the wind does not destroy the entire structure, plywood is piled with stones.

Thus, the question of when to cover a large-leaf hydrangea, to decide by itself, if you follow these recommendations.

Formation of a large hydrangea bush

Hortensia likes many gardeners. But to grow bushes attractive shape, they need to be formed. This is done in the spring, until the movement of juice has begun and the damaged kidneys and shoots are clearly visible. But, if you want to root the cuttings, it's better to hold the pruning during sap flow, so they will get better.

On the last year's shoots, a large-leaf hydrangea blooms. Pruning is carried out taking into account this feature of the plant. When forming a bush, healthy shoots are not cut off. You can shorten only a little frozen.

Need for pruning faded shoots in autumn hydrangea large-leaved. Leaving for the winter will give an opportunity to grow young shoots, which will blossom next year. The hydrangea that hibernates under cover is not cut off, only the old inflorescences are removed.

In the spring:

• Sanitary pruning, which cuts the tips of frost-damaged shoots slightly, and also removes dry and broken branches of the plant.
• Rejuvenating pruning involves the removal of old branches at the base of the plant.

Hortensia large-leaved, which will be safely wintered, after a preventive pruning looks in a new way. The bush acquires a different shape and pleases with rapid flowering.

Diseases

For leaves and stems of hydrangea, a serious danger is represented by the defeat of downy mildew. Signs of this disease are oily yellow spots. Over time, they increase in size and darken. Young stems and the lower part of the leaves are covered with a yellowish coating. The disease develops with high humidity during the hot season. To combat this disease, the leaves and stems are washed with a soap solution containing copper, which is absolutely harmless to the plant.

Hortensia large-leaf is affected by such a disease as chlorosis. Its sign is the change in the color of the leaves to a lighter one. The development of this disease contributes to an excess of humus in the soil. To combat this disease you need to water the plant with iron sulfate and potassium nitrate.

Pests

Often the lower part of the leaves is affected by a spider mite. This is immediately noticeable. The leaves turn yellow and become marbled. Then they wither and fall off. The tick is a dangerous pest for hydrangeas. Within a year he repeatedly gives offspring. A favorable environment for its reproduction is high temperature and low humidity. To control the pest, the plant is sprayed with thiophos.