Advantages and disadvantages of bark mulch, mulch

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Advantages and disadvantages of bark mulch, mulch: bark

Bark mulch consists of shredded bark pieces, which are offered in different sizes. The use of bark mulch is very simple, but their use is discussed under gardeners, because it not only benefits.

Suppression of weeds and temperature control

The most common reason for the use of bark mulch is the suppression of weeds. This is primarily due to the resins and tannins contained in the bark. Under the bark layer, it is very dark and as plants need sunlight for life, it also suppresses the growth of weeds. However, the soil must first be cleared of weeds, otherwise it penetrates very quickly through the bark layer. The mulch also prevents the weeds from multiplying by seeds.
On hot summer days, the bark mulch prevents the soil from drying out too quickly, so water does not need to be poured as frequently and the gardener also saves water. The mulch also prevents too much solar radiation from reaching the ground, which results in a completely natural temperature fluctuation. The mulch has a dark brown color, which absorbs the sunlight and less sun rays reach the ground. Especially for plants that prefer a colder soil, this is optimal. In winter, the plants are protected by the bark mulch from too much cold.

Improves the soil and helps against erosion

In the bark mulch microorganisms accumulate, which act as natural fertilizer and improve the quality of the soil. The bark mulch decomposes over time and creates humus, which acts as a natural fertilizer. Although this usually takes two to three years, but then the soil is optimally fertilized. Especially the earthworm benefits from the use of mulch. Because he prefers moist and if the soil is covered with bark mulch, the earthworm has in a simple way optimal living conditions.
The layer of bark on the beds prevents the soil from being eroded by the wind over time. Of course, erosion is only prevented with an intact layer of bark mulch. Of course, the mulch is subject to erosion as well as the earth and is lost even after some time. So this layer has to be renewed again and again.

Not all plants are suitable for bark mulch

Although the use of bark mulch has some advantages, it is not suitable for all plants. Plants that prefer a basic soil are less suitable for mulching with bark pieces. Under no circumstances may bark mulch be used on softwood plants. In the case of plants that are to propagate through foothills, of course, the coating prevents further distribution. It should not be used with strawberry and raspberry plants. Bark mulch releases tannins to the soil against which especially vegetables react very sensitively. For this reason, this soil cover is less suitable for this group of plants. Newly planted perennials, bulbous plants and conifers often do not tolerate mulch. Caution is also required in newly grown plants.
Tip: A lot of strawberries are mulched, but bark mulch is less likely to do so. Mostly straw is used here.

Bark mulch removes nitrogen from the soil

As the mulch rots over time, it removes nitrogen from the soil, which of course is lacking by the plants. An alternative here is bark humus, since this has already completed the transformation process, the nitrogen remains in the soil. Anyone who prefers to use bark mulch, should additionally sprinkle horn chips as a natural fertilizer on the bed. Of course, any other fertilizer can be used.

Many animals love bark mulch

There are a number of animals that love the bark mulch. If it was distributed neatly in the beds, then birds come and want their tidbits too. Unfortunately, they hardly pay any attention to the garden order and often bring the mulch quite dodgy.
Cats also like the bark mulch and often leave their marks and feces there. A cat would not be so bad, but the marker often attracts other cats, who also leave their mark there.
Dogs do not prefer bark mulch, but they like to dig. Mulch is very light and many quadrupeds discover the bark mulch to bury its treasures there.

Slug pest through bark mulch?

Again and again it is reported that by regular mulching the screw plague increases. So if you are always dealing with snails, you should think carefully about the use of bark mulch.

frequently asked Questions

  • What alternatives are there to bark mulch? - As an alternative, very often wood chaff, grass and straw are used. Often a mulch film is offered, which does not look very good. But even these have disadvantages, especially with grass is always the danger that weed seeds are introduced.
  • Can I also treat my rose bushes with bark mulch? - Bark mulch for rose bushes can not be recommended. Roses need a good ventilation of the soil, which is not given by bark mulch.
  • I've already mulched and forgotten the horn shavings, what should I do now? - In such a case, only a good fertilizer helps, but this must dissolve in water.

Bark mulch go weeds?

Although bark mulch prevents the weeds from growing when the seeds hit the areas treated with bark mulch, bark mulch has no effect whatsoever on weeds. Moreover, if bark mulch is applied to such an area for weed killing, the weeds will hardly be damaged, on the other hand, various plants such as softwood plants can be so badly damaged that they die off. Therefore, before using bark mulch to prevent weeds, the area should be free of weeds and should not have any susceptible plants on them.
The bark mulch, however, offers even more benefits. So it is an effective protection against dehydration of the soil and protects in winter in addition to ground frost. Therefore, it is well suited to protect plants that prefer a humid location and need frost protection in winter.

Further advantages of bark mulch

  • If bark mulch does not strike plants that can not tolerate treatment with them, it also gives the plants plenty of important nutrients. Bark mulch is therefore also to be regarded as fertilizer.
  • In addition, bark mulch promotes the emergence of soil organisms. These in turn liven up the soil, loosen up the soil and create valuable humus. The earthworms play a special role in the formation of humus. These feel most comfortable in damp soil. Soil covered with bark mulch provides the ideal habitat for earthworms.

Disadvantages of bark mulch

  • Bark mulch is aggressive against softwood plants.
  • Bark mulch contributes to the acidification of the soil.
  • Birds like to use bark mulch as a material and distribute it in the garden.
  • Fourth, areas treated with bark mulch always look a little scruffy after a few years.
Before using bark mulch you should better weigh all advantages and disadvantages thoroughly. A soil sample can be helpful. If one knows about the disadvantages of the bark mulch, it should be easy to turn it off and only be able to take advantage of it.

Video Board: Choosing Bark Mulches.

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