Hydrangea chlorosis is the most common disease that occurs in this plant. The causes of the disease are very diverse. The flower is unpretentious in care, however, adverse weather conditions can contribute to metabolic disorders. Hydrangea has strong immunity and practically does not get sick. Each gardener wants to enjoy the beautiful lush flowers of a large-leaved shrub. Sometimes on the way to flowering, small problems arise.
Hydrangea leaf chlorosis occurs for a variety of reasons. The disease manifests itself in the form of drying leaves, their yellowing. This is due to metabolic disorders, a lack of iron is formed. External manifestations have certain characteristics:
- foliage twisting around the edges;
- the formation of brown spots;
- drying out of shoots;
- death of a flower;
- deformation of plant organs;
- drying of the apex;
- shedding of leaves and buds.
Yellow leaves
If the above symptoms are observed, then before starting treatment for hydrangea chlorosis, it is necessary to establish the cause of its occurrence.
Important! The main cause of the disease is waterlogging of the soil.
Causes of pale leaves and the occurrence of chlorosis
Chlorosis occurs for various reasons. This is due to adverse weather or improper care. The disease interferes with the normal development and flowering of the flower. The main factors of occurrence are:
- too cold soil;
- improper watering, excess moisture;
- long rains;
- air temperature for a long time is below 18 ° C;
- alkaline or neutral soil;
- burn from the scorching sun;
- lack of sunlight;
- high humidity of the room;
- lack of nutrients in the soil;
- poor drainage layer.
Curled sheet
How to treat chlorosis in hydrangea leaves
Chlorosis of hydrangea leaves its treatment is very simple. Since it arises from a lack of iron, the plant is fed with this microelement. In the advanced stage, you will have to make more efforts. However, it is possible to completely restore the health of the flower.
Rusty nails from chlorosis
At the moment, many gardeners and flower growers use rusty nails to replenish iron in the ground. A small amount of material is instilled next to the hydrangea roots. It has been observed that this not only makes up for the deficiency, but also works as a prophylaxis of chlorosis. The method is suitable both for a garden bush and for an indoor flower. In the garden, a small amount of nails is buried under the root. If you need to carry out the procedure in a pot, then this is done using a transplant: lay the material at the bottom of the pot.
Important! It is rusty nails that are used, since the oxidation process has already been started. Iron will quickly absorb through the roots.
Iron treatment for chlorosis
Iron for hydrangea is of great importance. It participates in the processes of photosynthesis and plant nutrition. If a deficiency occurs, the flower begins to wither. Panicle hydrangea is especially susceptible to the disease. This is a garden type of culture, it can often be found in gardens and landscape design. Iron preparations are used to treat chlorosis. The most effective and popular are:
- Mikom Reakom;
- Micro Fe;
- Antichlorosis;
- Ferrilene;
- Brexil-Fe;
- Ferovit;
- Agikol.
Using the drug is quite simple. It is bred according to the instructions, then the plant is sprayed. It is advisable to distribute the mixture evenly so that it falls on all the shoots. If the effect is not observed, then hydrangea is watered with liquid under the root. These drugs will help to completely cure the flower. Care must be taken during use.
Iron preparations
Chlorosis Prevention
To prevent the occurrence of chlorosis, it is recommended to follow preventive measures. To do this, they monitor the health of the plant and follow the rules of agricultural technology. Chlorosis can be prevented by following a few simple rules:
- the plant is planted in partial shade, if the flower grows in a pot, they provide diffuse lighting;
- monitor the acidity of the soil, it should always have a value of 5-5.5;
- observe the watering regime, moisture should be enough, but without excess;
- hydrangea is fed strictly according to the schedule;
- enter into a state of rest for the winter period;
- in the pot and on the plot lay the drainage layer;
- before flowering, iron sulfate and its analogues are used to prevent chlorosis.
Important! If you follow all the rules of agricultural technology, then there will be no problems with the cultivation of hydrangea.
Which plants are most susceptible to chlorosis
Chlorosis occurs not only in hydrangea. Other plants are also susceptible to it. They need to be treated in the same way. This is due to the fact that in all cultures the processes of photosynthesis occur identically. They all need iron. You can make up for it with any possible method. Most often, chlorosis affects:
- hydrangeas;
- rhododendron;
- grapes;
- roses;
- raspberries;
- Tomatoes
- lemons;
- tangerines;
- azalea;
- gardenia;
- clerodendrum.
These plants are susceptible to chlorosis, but have a strong immunity to other diseases. All rehabilitation measures are aimed at preserving vital processes and nutrition. Do not panic, a simple treatment will quickly restore the health of your favorite flower.
Stains on the leaves
How to use iron sulfate for hydrangea
Iron sulphate for hydrangeas is used as a prevention of chlorosis. You can also make iron chelate from it. This is a very effective remedy for the disease, which quickly and effectively eliminates the problem. Iron sulfate for hydrangea is used in the garden and at home. It is an organic compound that does not harm the plant.
Iron chelate is a mixture of iron sulfate and acid. The drug can be purchased in specialized stores or made independently. Gardeners and gardeners often use several popular recipes:
- 5 g of citric acid are diluted in chilled boiled water. Then 5 g of iron sulfate are added to the solution. The resulting mixture is sprayed or irrigated.
- 1 tbsp. l vitriol is bred in 1 liter of boiled cool water. Add 2 tbsp. vitriol. The solution is well mixed, used for the treatment and prevention of chlorosis.
Self-prepared mixture retains its effectiveness in dissolved form for 2 weeks. At the end of the term, a new iron chelate is prepared.
Iron sulphate is used to prevent chlorosis in hydrangea. It does not cure the disease, but protects the plant. The powder is added to the basal area or sprinkled with branches and leaves. Solutions for spraying and processing are prepared from it.
Important! Vitriol is best used in dissolved form, so it is absorbed faster.
Hydrangea is a beautiful flower that surprises with its beauty. It is often planted to decorate the garden. Small bushes take root well on the windowsills of the flower lovers. The plant is susceptible to the development of chlorosis. This disease disrupts the flowering and general appearance of the flower. To avoid this, it is recommended to carefully monitor hydrangea, follow the rules of agricultural technology and prevention.
