The azalea bonsai tree is an evergreen tree with deep red flowers that remain on the tree for weeks. It is a member of the rhododendron family. There are many species of azalea with different shades of pink or red flowers. However, there are a few species with white flowers as well. Out of all bonsai trees, the azalea is one of the most satisfying. It is popularly known for having a prolific amount of gorgeous flowers when in full bloom. The azalea also adapts well to cultivation and root pruning.
As with any other plant, improper care of the azalea may lead to complications that will affect the tree. In this article, we will discuss detailed information on reasons why the leaves of the azalea bonsai turn their green color.
Over-watering Causing Azalea Bonsai Leaves to Turn Brown
There is a specific amount of water that is recommended when watering a bonsai azalea. The leaves and roots of rhododendron may rot due to excess watering. This water becomes trapped in the plant leaves, making them turn brown.
Often, when over-watering is becoming a problem, it is because the bonsai is being watered more than once a day. The tree should only be watered once every day or two, when the soil gets slightly dry.
Under-watering Causing Azalea Bonsai Leaves to Turn Brown
Browning of the leaves of potted azalea may occur as a result of under-watering the plant. Too little water leads to browning of the leaves and a dried, wilted trunk.
Water your Azalea bonsai every day or two when the soil gets slightly dry. Do not wait until the soil completely dries out.
Low Light Causing Azalea Bonsai Leaves to Turn Brown
Azalea bonsai depends on various environmental factors to survive and to stay alive. The tree should be exposed to sunlight. Since the azalea tree is hardy, it needs to be placed outdoors, because its leaves will turn brown if left indoors for an extended period. When potted azalea lacks sunlight, its leaves begin to wilt. For at least part of the day, you should expose the tree to indirect sunlight to prevent the leaves turning brown. However, when the tree is exposed to the sun for too long, it can dry out and cause browning of leaves.
You should place your azalea bonsai in a warm, well-ventilated, and partially shaded area. The tree to be placed in such an environment to enhance the healing process of brown leaves.
Pests and Diseases Causing Azalea Bonsai Leaves to Turn Brown
When pests affect the potted azalea’s leaves, they usually go unnoticed, thus causing the leaves to turn brown. These pests prevent the nutrients from reaching the leaves by feeding off the liquid from stems. They also suck the moisture from the leaves; hence, browning of the leaves occurs, and leaves eventually die. To promote new growth of the leaves, you can spray a light pesticide on the bonsai tree and remove dead or brown leaves. You should also use water to wash away the pests with an insecticidal soap that will prevent the infestation of pests.
Nutrient Problems Causing Azalea Bonsai Leaves to Turn Brown
In order for the potted azalea to grow and develop, it needs proper nutrients. The leaves may turn brown due to nutrient deficiency, such as a lack of magnesium and iron. The potted azalea also needs fertilizers like any other plant. An incomplete energy cycle may occur due to insufficient nutrients, thus affecting the leaf’s color. Notably, excessive use of fertilizers may cause the plant to burn.
How to Revive Azalea Bonsai From Browning Leaves
- Trimming the dead spots
To encourage and nurture future growth and development, you can trim away the dead parts of your bonsai tree. It is helpful for survival and revival of the azalea bonsai to trim away any fallen leaves or brown and wilted leaves from the stem.
- Treating your potted azalea tree with an organic insecticide
You can spray your azalea plant with insecticide if you have noticed your potted azalea is infested with any type of pests. To ensure that you buy the right treatment for each parasite, you should identify the symptoms of the plant before choosing the spray. It is essential to lightly spray the bonsai tree’s foliage to ensure that the chemical lightly coats each area.
- Checking the moisture levels
It is essential to check the soil’s moisture levels before taking any action. You can stick your fingers 1 to 2 inches into the ground to check the moisture levels. Severe dehydration of the soil may cause the browning of the leaves; thus, it is recommended to water your tree well.
- Placement of azalea bonsai in a clean temporary container
You should place your potted azalea in a clean temporary container filled with lukewarm water. The normal pot should be cleaned thoroughly when the plant is still resting. You should prepare a new bonsai mixture of soil that drains well but retains water effectively.