After flowering spirea comes to an end, the plant loses its decorative qualities. However, this is not a reason to forget about it, because after flowering, you can safely proceed to its cuttings and rooting.
In the spring you can watch gorgeous flowering spirea following types: Thunberg, spirea gray, crenate spirea, spirea dubravkolistnaya, nipponskoy Spiraea, Spiraea alpine, spirea average, Vangutta spirea, spirea slivolistnaya, zveroboelistnaya spirea, spirea ostrozazubrennaya. They all begin to bloom in April-May and ends in mid-summer. More exact timing depends on the climatic conditions of the region. All these varieties of spirea are cut after flowering - in this period in which there is renal tab on the previous year shoots. There is also their active proliferation and degeneration with strong thickening bush. If adorns this plant, it's time to give it due attention to your site.
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About Fazenda". This will enable us to publish more interesting garden articles.Step 1. pruning spiraea
All kinds of Spiraea no problems tolerate pruning, so do not be afraid to cut the bushes - harm such a procedure does not bring the plan. Take care of garden tools, it is important that clippers was well sharpened.
Removal of dry inflorescences
First, carefully cut away the dry brush inflorescences. Often, they are thin, and the branches, which are flowers, are in a state dried up. This procedure requires a lot of time, because even the young plants are spreading bushes several dozen hands, most of which are in the depth of the crown.
Removal of dead and weak branches
Once the bush will be cleared from the brown spots, you can take on a sanitary pruning. Ruthlessly Eliminate the dried and broken branches - will not be able to recover them, and the wound can penetrate pathogenic bacteria.
Weak shoots that grow from the ground and go deep into the crown, are also subject to removal. They thickened central part of the bush, do not affect the flowering and unnecessarily drawn out of the plant all the forces. Cut them down to the ground level. Take care that the surface had no renal, or spirea instead to release a strong thick branch, will give a large number of weak shoots.
Thinning of the crown from the root
As for forming crop, then it can start only when the plant turns 4-5 years. Up to this point the bush is not yet time to strongly thicken. The more sunlight will fall on the branches, the more abundant will bloom. That is why the crown center must discharged in time.
If you have any doubt as to which branches to cut and which to leave, cut items that are clearly below the rest, have a large number of branches and allowed weak bloom. Often, their location - the central part of the bush. You can also rely on their appearance - they have a thicker base. At these branches you can watch a lot of bare branches, with few leaves.
Need to remove branches that grow parallel to the ground in the lowest place of the bush. You can try to make them slips. However, it is better not to plant moisture in the root area and immediately cut them.
Care spirea after trimming
Spirea is considered low-maintenance plant, it can be successfully grown even in urban environments. But, if your goal - a magnificent flowering shrubs, you need to pay attention and to provide it with proper care. Effortlessly he does not mean.
Watering the plant should be infrequent. The procedure should be carried out if there is a severe drought (more than 2 weeks). In the hot summer it is also recommended to increase the number of irrigations. Spirea does not tolerate, when the sun literally dry up the moisture on the leaves, so the ideal time for watering - evening. In an extreme case, the plant should be watered at the roots.
If we talk about weeding, then this procedure is not considered to be a mandatory plan. Shear the grass should be regularly, especially if grown undersized grade. Sow-thistle and quack grass may pull out of the bush most of the nutrients. Moreover, the way through the thick crown spiraea, they become indestructible and adversely affect the qualities of the decorative composition.
Make fertilizer under a bush must be 2-3 times a year. As used recharge complex or organic fertilizer. Spirea perfectly perceives watering 10% solution of mullein or chicken manure, grass clippings infusion with bread. Tree trunks recommended zamulchirovat compost bed. Spend the first feeding of plants is necessary before it will bloom (in May), the second - after flowering, the third - in early autumn. In the latter case it is inadmissible under the bush to make nitrogen-based fertilizers.
Step 2. cuttings spiraea
Burn the branches you cut, not worth it. They can be used for breeding bush. We are talking about propagation by cuttings. Spirea is growing rapidly, it does not apply to slozhnoukorenyaemym plants. The plant is doing well on different soils and lush flowering pleases, so it can be placed under the fence or in the central part of the gardening area.
The method of propagation is considered to be the budget, because you do not have to spend money on the purchase of planting material.
Cutting cuttings spiraea
Rooting is recommended to use direct young twigs with leaves that grow from the point of attachment of the leaves. It is necessary to cut cuttings 10-15 cm in length. On each of them must have at least four pairs of kidneys. The lower section should get oblique, it should be placed under the kidney, and the upper right to do, above the bud.
Next, remove the lower 1-2 pairs of leaves, and the upper half of crop. Before root cuttings, they should be placed on the 6 hours the solution was indoleacetic or indolebutyric acid. To this end, suitable drugs such as "Geteroauksin", "Kornevin", "The root of Super" and so forth.
Preparation of cuttings to take root
After removal of cuttings from the solution, shake off and dip them into stimulator korneoobrazovaniya lower cut. If the agent in powder or granular form, stuck to the shanks should not shake off it - so it is recommended to plant the cuttings in the ground.
Step 3. rooting cuttings
It has already been said that the spirea is not slozhnoukorenyaemym plant, so special care she needs. You can put the cuttings in a container with a loose soil substrate of sand or a mixture of peat and garden soil. Then gently pour over them and cover with foil. This way you will create mikroparnik. If the cuttings are rooted in open ground, can be used as a shelter cut plastic bottles.
To cuttings rooted on 100%, you can create cherenochnik. This mini-greenhouse for rooting using even the most demanding crops.
Step 4. construction cherenochnika
Propolite and proryhlit ridge, which will be located cherenochnik. Pour it with water so that the soil was moistened to a depth of 10-15 cm. Arrange on a section of the arc and pull them to the greenhouse film. Landed in a greenhouse prepared cuttings. Sprinkle with the ground film on all sides (except the north). Set the fence on three sides of the branches of deciduous trees. Thus a mini greenhouse will be in sparse shade.
After 2 weeks, the cuttings begin to gradually harden, then remove the film completely. Thus, the roots will be able to adapt to the weather conditions. Method of propagation by cuttings spirea ensure its ingrowth by 70%, so if rooting is required to take into account this feature and planted cuttings from stock.
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