Dry hedges are one of the worst concerns of both gardening enthusiasts and those who are professionally dedicated to it. There are few things that make a garden look as neglected as browning in conifers. Because we all know how difficult it can be to remove a dry hedge in order to replace it, as its roots tend to spread quite a bit. Fortunately, the browning of hedges is not always definitive; in fact, in most cases it is possible to recover them.
If you want your garden to look healthy again by returning the green to your hedges, join us in this EcologíaVerde article, in which we are going to see how to recover dry hedgesanalyzing what type of treatment for dry hedges is necessary on each occasion.
Dry hedges due to flooding
It is common to think that a weak plant or one that seems to be starting to dry out needs more water, and one of the worst mistakes that can be made in this case is water it more. When the air spaces of the substrate are completely filled with water, roots do not have access to oxygen what they need, and the plant drowns hopelessly. When this happens, the roots lose their ability to absorb water and nutrients, and the leaves begin to turn yellow due to the lack of these.
The cause of the roots suffering from waterlogging does not necessarily have to be excessive watering. Maybe the soil is too clayey and heavy and does not have the capacity to adequately drain the water, or simply the planting hole has not been made correctly and accumulates water in some points. In the same way, an irregular ground, sloping or with holes, will cause irrigation and rainwater to accumulate mainly in some points, these being susceptible to flooding.
Dry hedges due to lack of irrigation
Obviously, the lack of water can also be a cause of yellowing of driedespecially if it occurs during the warmer months, when the plants are exposed to intense sun.
Despite what people tend to think, this problem is much easier to solve than excessive watering, since the damage that a dry plant has suffered they are easier to retrieve than those of a waterlogged one.
Dried hedges due to lack of magnesium
Another of the most common causes of yellowing in conifers is the lack of magnesium, an essential element in plant nutrition. If the desiccation is noticeable first at the tips of the leavesand progress from there to the center of the plant, it is certain that the problem is precisely this.
The good thing is that we will not be dealing with one of the diseases of hedges or anything like that, but simply with a nutritional deficiency that is very easy to solve.
Dried mushroom hedges
One of the main problems associated with flooding is that it tends to provide an ideal environment for fungi to attack the hedge, since conditions of excess moisture that these need. It can also happen that your hedge is attacked by fungi even though the soil has good drainage and you do not overwater, especially in humid climates and moderately hot times, which are what promote their growth.
In addition, many fungi can affect not only hedges, but many other crops in the garden, so it will be necessary to act quickly. If you see white or gray patches on the leaves or branches of your hedge, act as soon as possible using fungicide for hedges. If the area affected or to be treated is small, you can use organic homemade fungicide, such as a fungicide with milk, very effective and without resorting to chemicals.
Another sign of fungal attack are resin bags that occur in some hedge pruning wounds, which means that the fungus has penetrated there. If the resin and tissues in the area turn brown or reddish, it is Seridium fungus. In this case, it may be necessary to resort to specific fungicides.
How to revive dry hedges
Recovering a dry cypress, or another type of hedge that is drying up, is possible if the following indications are followed:
- Don’t overwaterlet the substrate dry slightly before doing so.
- Fertilize the hedge regularly, even when it is not sick.
- Check that your hedges have a quality substrate, rich in nutrients, aerated and with good drainage.
- Contribute potassium phosphate before the attack of fungi, a type of fertilizer that strengthens the defenses of the plant.
- Always disinfect tools before and after each pruning and on each plant, so you don’t unknowingly spread disease among them. Do not leave the remains on the ground or in contact with other hedges.
- If you had to get to uproot the hedge, don’t use the land where it was: the most dangerous fungi are kept in the roots and soil.
- Apply homemade or commercial fungicides to get rid of fungus. If you know what species of fungus is specifically attacking, don’t hesitate to look for a specific fungicidesince it will be more effective and faster.
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