General information

Why does not lilac bloom, what can be done?

Blooming lilac is so beautiful, romantic, mysterious. If there were lilac inflorescences, then summer is just around the corner. But what to do if this May lilac did not please you with its magical scent? Even experienced gardeners sometimes do not know what to answer the question: "Why did not lilac bloom?". And the reasons for the lack of flowering are different, because the intensity of the formation of buds depends on many factors.

The reasons for the lack of flowering in lilac

We highlight the main factors lack of budding:

  • Illumination. Lilac - frost-resistant, but light-loving plant. Therefore, the best option for planting young seedlings - east or west side. The south side is unfavorable for the formation of buds. Many people ask: "Why does not lilac bloom?", - and the bush grows under the crown of a wide tree. Such a neighborhood is strictly prohibited. Lilac should grow alone in a well-lit place, the shadow is not suitable. It is also necessary to take into account the swampiness of the territory and the level of passage of groundwater. If the place you have chosen is often filled with water or the ground water is close, then such a place will not work. for growing lilac, because it does not tolerate waterlogging.
  • Improper planting of a young tree. Having bought the variety of ornamental plants you like, beginners often make mistakes when they are planted in the soil, and then they wonder why they did not bloom lilacs. So, for the future of good growth and flowering it is necessary to dig a hole about 40 cm deep. Pour drainage of broken brick and rubble, then a layer of compost or humus. Above, pour the fertile black soil. The root needs to be buried in the soil to the root collar. If you deeply deepen the roots, they can begin to rot, diseases will appear and the tree may die.
  • Diseases of ornamental shrubs. “Why didn't the lilacs bloom?”, Inexperienced gardeners ask, not noticing the appearance of the tree. It happens that the leaves are affected by diseases typical of lilac, which make them turn yellow or curl. And even if the lilac blossoms, then its inflorescences are some shriveled, underdeveloped. This is a painful condition. Often, to combat aphids or fungal disease of the leaves, they use the method of cutting the diseased branches, burning them together with the leaves. Then the plant rejuvenates and the disease recedes.
  • Nitrogen fertilizer. The excess fertilizer, especially nitrogen, leads to intensive development of green mass, the formation of new shoots. Therefore, those who frequently and regularly fertilize the soil around the shrub are wondering: "Why hasn’t the lilac flowered this spring?" To stimulate the formation of buds, it is necessary to eliminate nitrogen fertilizers. You also need to know when to fertilize the plant correctly. If you have planted a young tree in the earth rich in black soil and humus, then the following fertilizer is permissible only after 2-3 years.
  • Lack of regular pruning. Often, lilac lovers make mistakes without cutting off the inflorescences that have faded. If you do not, do not develop new flower shoots that will delight next year.

If you have read all the information until the end, you will probably not make more mistakes in the cultivation of ornamental shrubs, and blooming lilacs (photo above right) will delight you with its colorful inflorescences every year.

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The reasons for the lack of buds and flowers

There are several reasons why lilacs may not bloom. These include improper seed planting, low light, excessive water, poor soil, and a large number of diseases. A common mistake of those who plant a seedling for the first time is improper watering or fertilizer. Some do not know how to properly trim the branches, take care of the shoots. If the lilac did not bloom in spring, weather conditions and climate may be guilty, and too close ground water may be the cause. In such conditions, lilac does not want to bloom. If you correct all the mistakes in the care of a plant, even the most unaware gardener will be able to achieve significant results and will be happy with his work.

In order for a beautiful bush to please its owners and those around it, you need to find out the reason and apply certain measures for the growth and flowering of lilac for many years.

Lack of light

Lilac is a plant that loves the sun. The reason why the lilac has not blossomed may be its not the right place, where it grows in the garden, planting lilac in a too dark part of the plot, near other trees or close to the house. The plant will not be able to grow and bloom better in the shade, the most suitable location of the bush is on the western and eastern side.

However, to plant a lilac bush in the southern part of the garden is also “not correct” - the lilac will not bloom, and the bush may dry out and the buds simply fall off. And just do not plant lilac next to the conifers at a distance of less than 10 meters. Therefore, choosing the right place for planting a lilac bush - prevention of the lack of flowers in the plant.

Incorrect seed planting

Mistakes due to which the lilac does not bloom, gardeners make during planting, lead to a weakening of the bush and its root system. Damage to the roots of the plant is due to the fact that gardeners do not pour drainage or humus into the pit, bury the roots of the bush severely, or plant the plant too deep into the ground. Deeply buried roots can rot and cause tree diseases. Sick root system leads to the fact that lilac does not bloom. You should also carefully consider the choice of seedlings for planting. And the planting itself should be carried out in August or in early September, before the start of frost.

Soil selection

Choosing the wrong soil for planting is another reason why lilac does not bloom. The biggest mistake is the wrong soil composition. Particularly dangerous is marshy soil and a place where groundwater is close to the surface. Due to overmoistening of the soil and overly dense soil, there may be damage to the roots of the plant, and the lilac may not bloom. They may expire air, which will lead to death. And also near the lilac should remove all the large weeds that take away a lot of fluid and beneficial enzymes from the soil.

Pests and diseases

"Lilac does not want to bloom," say many gardeners, not fully knowing what the problem is. And just take a look at the leaves of the plant. After all, they can become a victim of various diseases, because of which the lilac will not bloom. The leaves may turn yellow, the inflorescences shrivel, the stability of all types of lilac decreases, and the lilac does not want to bloom. This is a clear sign that the plant is affected by the disease. In addition to diseases, lilac bushes are subject to insect infestation.

Infected bushes should be burned or pruned.

Nitrogen fertilizer

If the lilac bush has a well-developed crown, it gives new shoots, but does not bloom, then this is the reason for the soil oversupply with nitrogen fertilizers.

Lure will not benefit, if you do not know how much you can add to the soil, but only aggravate the state of lilac, and it will not bloom. Proper use of nitrogen fertilizers stimulates the lilac intensive development of a mass of green.

Usually, lilac is fed with nitrogen only 2 years after planting: 60-80 g of ammonium nitrate or 50-60 g of urea under a shrub are added every spring.

In the case of soil oversaturation with nitrogen, fertilizing is carried out 1 time in 2 years, that is, less often. Without the right feeding lilac will not bloom.

Pruning

Lilac lovers very often find it unnecessary to trim the inflorescences that have already faded. If you start a bush and do not cut off the dried branches, the lilac will not bloom, as the plant simply acquires an unattractive appearance, that is, runs wild. And the beginning of the seed formation process will weaken the lilac. With the help of pruning can not only form a beautiful crown of the bush, but also to improve and ennoble this beautiful plant.

Causes of withering shoots and how to eliminate them

There are several reasons why lilac dries:

  • insufficient watering
  • excess nitrogen in the soil
  • soil diseases and crowns.

Most often, the lilac leaves are twisted, and the branches dry under the influence of the fungus Verticillium. This disease is called wilting. To prevent it, the affected areas of the crown are cut off and disposed of, and the remaining green mass is sprayed with Fufanon, Iskra M or Kemifos.

With the defeat of the lilac root ball also dry branches. It is possible to distinguish rhizome diseases from crown fungus by the fact that in root diseases, the tillering node is affected by rot and is easily separated from the root part. In this case, rescuing the lilac will help to transfer to a new place. In this case, the root ball is carefully examined for the presence of rot. Affected areas of the plant are removed. Roots and wells treated with a concentrated solution of manganese.

Diseases of the crown - a consequence of poor immunity of the bush (low illumination, insufficient ventilation of the crown, poor soil, irregular watering, thickening of the bush, age).

Root fungus - the result of soil moisture, or a high concentration of nitrogen in the soil.

Causes twisting foliage and how to eliminate them

Often with abundant watering the foliage still turns yellow and twists, the lilac does not bloom. This indicates a lack of soil components such as iron, magnesium and zinc. Another reason for leaf wilting is a deviation in the ph of the soil. Peroxidized and alkaline soils are not suitable for growing lilacs. To neutralize the aggressive soil, add acidic or calcareous solutions.

Fusarios is a fungus identical in its properties to Verticillium. Under its influence, the leaves lose their turgor, become brown in color and hang on drying branches for a long time. The defeat of the crown begins from the top and gradually reaches the tillering nodes.

Aphid - the most common pest of the garden, because of which the leaves dry and curl. To prevent the penetration of the pest into the crown, the bearing trunks are wrapped with gauze soaked in tar. Ants, as the main carriers of larvae, will not be able to go through this winding. It is worth noting that it requires weekly moistening with a new portion of tar. Enter the composition into the winding can be a syringe, or through a spray.

In the fight against other pests of the garden using aqueous solutions of tar, soap, manganese. These compositions process the crown as flushing. After 2-3 treatments, the leaves stop curling, and the pests retreat. Universal remedies that were listed above are also used in cases where the leaves of the shrub twist, and the branches dry out and bend. They are the most effective tool in the fight against lilac mites.

After the shrub has been saved, the rehabilitated plant will be ready for flowering next year.