What to Do When Alocasia Leaves Turn Yellow? Causes and Solutions

Alocasia (Alocasia macrorrhizos) is an ornamental plant that grows in tropical and subtropical regions, with leaves that stay green all year round, and it is very popular among people. So, what are the causes of Alocasia leaves turning yellow and what are the solutions? Let's take a look together!

1. External damage

When Alocasia is planted in large quantities, the spacing between plants often needs to be fairly large, but many growers overlook this issue. During its later stage of rapid growth, the leaves expand very quickly, and when the plants are placed too close together, they interlock and press against each other, competing for growing space and causing injury. After growers notice this situation, the process of increasing the spacing also has a high chance of causing artificial damage. These external injuries can seriously affect the nutrient transport in its roots and stems, causing the leaves to turn yellow. Therefore, in daily care, external contact with Alocasia should be reduced to avoid unnecessary damage.

2. Water accumulation and dust buildup

At present, Alocasia is generally grown in semi-open flower sheds, which causes it to be exposed for long periods to an environment with a lot of dust outside. Alocasia has a relatively high demand for sunlight, and the shape of its leaves makes it easy for dust to accumulate. Over time, this leads to a layer of dust covering the leaf surface, resulting in insufficient sunlight. If growers notice that some leaves have a lot of black buildup and the leaves begin to turn yellow, then this is basically the cause. When a lot of dust is found, some leaves should be washed, or sprinkler irrigation can be used as a preventive measure.

3. Soil fertility

An ideal growing environment has a great influence on Alocasia, so high-quality soil is relatively important for it. Because many growers lack experience in the early stages of cultivation, the soil they choose may have some problems, such as excessive alkalinity or insufficient fertility, both of which can cause its leaves to turn yellow. If the yellowing starts from the highest leaves and slowly spreads downward, with obvious withered yellow areas on the stems, then it is very likely due to insufficient fertility. At this point, a certain amount of compost should be added to the soil.

4. Fertilizer and water

Fertilizer and water are always two of the major elements in the growth of Alocasia. The level of fertility affects its leaves, and the amount of water does the same. When fertility is excessive, it burns the seedlings and causes yellowing; when fertility is lacking, the seedlings wither and turn yellow; when there is too much water, the roots rot and the leaves turn yellow. Everyone can distinguish based on the actual situation. If excess fertility is severe, the soil needs to be replaced; for other cases, just address them according to the actual situation, supplementing whatever is lacking and draining water when there is too much.

The above are the causes and solutions for Alocasia leaves turning yellow. I hope this can help you!