How are common flowering shrubs pruned? How to prune flowering shrubs

Flowering shrubs such as roses, spring greetings, forsythia, lilacs, elm and plum do not have trunks, and their branches grow from the ground. In the first few years after planting, it can be allowed to grow naturally, and when the cluster is too dense, the main branches in the cluster will be thinned from the base about 1 2, otherwise it will not bloom normally due to unfavorable ventilation and light transmission.

Wax plum, hibiscus, red-backed laurel, yueji, milan, smiling and so on are all shrub flowers. They are characterized by weak tillering at the rhizosphere, and their clumps of branches are concentrated in the root neck. We can use this property to make them into small trees, thus increasing their ornamental value.

The pruning operation is as follows, first keeping the main branch of the cluster** and cutting off the surrounding branches from the base. As a result, many lateral branches can grow from the axillary buds on the main branch and the adventitious buds on the root neck. At this time, only the 4 side branches at the top of the main branch are retained, and all the lower side branches are cut off, and then the secondary side branches can grow on these 4 side branches.

At the same time, some side branches will sprout at the base of the main branch and the main branch, which should be cut off in time. In this way, a shrub is formed into a small tree, and the flower branches are drawn from the side branches.

Some flowers and trees generally do not need to be pruned frequently, such as azaleas, camellias, etc., in order to maintain the beautiful and symmetrical shape of the tree, you can also cut off the top of some branches as appropriate, and can not be pruned strongly. Liana flowers generally do not need to be pruned, only need to cut off old branches, dense branches, diseased branches, blind bud branches, etc., to keep ventilation and light.

There are also flowers such as douqiu (hydrangea), which need to be cut off in winter to make the stem base continue to sprout, promote the development of flower buds, and make the plant neat and strong. Vermilion red can be cut off all the leaves after autumn, and it needs to be placed in a sunny place when entering the room, and the room temperature is kept at about 20, and it can bloom around the Spring Festival. Generally, grass flowers such as caryophyllus, after flowering in June, cut off the aboveground part, and another flower can bloom in autumn.

1. Pruning principle: follow the principle of from outside to inside, from high to low. 2. Thinning the branches:

Thinning the twigs in the inner chamber of the shrub to maintain a well-ventilated plant shape. 3. Prune the residual flowers: prune the residual flowers in time to avoid the decay of the residual flowers.

4. Prune branches and leaves: regularly prune overly long branches, overly dense branches, and overgrown branches to promote the germination of new side branches of shrubs.

1. Pruning principle

When pruning shrubs, it is necessary to follow the principle of from outside to inside, from high to low, and when pruning the shape, it is necessary to ensure that the plant is high inside and low outside, forming a natural plump round head or semi-circular tree shape, and in addition, the branches and leaves of the shrub should be pruned as appropriate.

2. Thinning the branches:

When maintaining shrubs, it is necessary to thin the small branches in the inner chamber of the plant to ensure that the ventilation between the shrubs is good, which is conducive to the growth and development of the plant.

3. Prune the residual flowers

After the shrub blooms, it is necessary to prune the residual flowers in time, so as not to rot the residual flowers, cause the occurrence of pests and diseases, and affect the normal growth and development of the plants.

4. Prune branches and leaves

In the process of maintaining shrubs, regularly prune too long branches, too dense branches, and overgrown branches to promote the germination of new side branches of shrubs, which is conducive to the growth of plants round and lush, and in addition, after pruning, fungicides should be sprayed on the wound to prevent bacterial infection.

1. Stubbing: It is to cut off a part of the branch, generally 1 3-3 4 at the front end of the branch, the purpose is to prevent the elongation of the branch, and at the same time promote the germination of axillary buds under the cut, to ensure the growth of more side branches, so that the peripheral extension of the crown expands, increases the flowering part, makes the crown evenly distributed, and the plant shape becomes plump and round. It is also conducive to increasing the flowering point and ensuring that the plant blooms more and bears more fruit.

2. Thinning pruning when the plant is growing luxuriantly, cut off the stacked branches, inward branches, pests and diseases to answer the branches, long branches and senescent branches, cut off the leaves injured by pests and diseases or over-dense leaves, the purpose is to improve the ventilation and light transmission conditions of the plant, reduce the occurrence of pests and diseases, and help the healthy and strong growth of stupid plants can also adjust the shape of the tree, so that they are clear and neat and beautiful. The sparse shear does not leave a residual pile like the stub, and the sparse shear should be pruned against the base without leaving a residual pile. Pay attention to the foliage flowers with markings and flowers, the growth of green branches is more vigorous than the branches with markings and flowers, and the green branches should be pruned off in time to avoid the green branches covering the branches with markings and flowers and leaves, and maintain the characteristics of the original variety.

Note that conifers should not remove their leaves.

3. Topping: also known as tipping, topping, directly plucking the young tip tip top bud with your fingers, breaking its top advantage, promoting the germination of its lower axillary bud, so as to inhibit the growth of branches, promote the plant to branch more, and form a multi-flower head and beautiful plant shape. For example, begonias, a bunch of red, lotus, June snow, nine mile incense, golden bells, etc. need to be topped.

1. Pruning and shaping according to the tree's potential. Young trees grow vigorously, mainly shaping, and should be lightly pruned. Strictly control the upright branches, and the upper buds of oblique branches should be peeled off when they are pruned in winter to prevent the growth of upright branches.

All diseased and insect branches, dry branches, man-made damaged branches, and long branches should be cut off by thinning and pruning. The erect branches of clumped flowering shrubs should be topped with robust growth to promote early flowering.

Mature trees should make full use of the three-dimensional space to promote more flowering. During the dormant period, the appropriate parts below the autumn shoots should be shortened, and some root tillers should be selected year by year, and some old branches should be thinned to ensure that the branches are constantly renewed and the plant shape is plump.

The old and weak trees are mainly renewed and rejuvenated, and the method of heavy stubbing is adopted to concentrate the nutrients in a few axillary buds, germinate strong branches, and timely thin and delete weak branches, diseased and insect branches, and dead branches.

2. Timely pruning and shaping. Deciduous shrubs can be divided into winter pruning (dormant pruning) and summer pruning (post-flowering pruning) according to the pruning period. Winter pruning is generally done during the dormant period.

Summer pruning is carried out after flowering in order to inhibit vegetative growth, increase the light of the whole plant, promote flower bud differentiation and ensure flowering the following year. In summer, pruning should be done sooner rather than later, which is conducive to controlling the growth of long branches. If pruning is done a little later, the erect branches have already formed.

If the space conditions allow, the topping method can be used to produce secondary branches and increase the number of flowering branches.

3. Pruning and shaping according to the growth habit and flowering habit of the tree. Spring-flowering, flowering shrubs with flower buds (or mixed buds) on biennial shoots. Shrubs such as Forsythia, Elm, Peach, Yingchun, and Peony are differentiated in flower buds during the high summer temperature of the previous year, and bloom in the spring of the following year after the low temperature stage in winter.

Therefore, pruning should be done when the leaf buds begin to swell and have not yet germinated after the flower residue. The pruning varies depending on the plant species and the pure or mixed buds. Forsythia, elm, peach, spring, etc., can leave 2-4 full buds at the base of the flowering branches for shortening.

For peonies, only the residual flowers can be cut off.

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