The coral bean bonsai, with its unique shape and color, has won the favor of many bonsai enthusiasts. In the process of maintenance, many hobbyists encounter a problem: why does the coral bean bonsai shed leaves? This article will unveil the mystery of leaf shedding in coral bean bonsai and provide corresponding maintenance suggestions.
Reasons for Leaf Shedding in Coral Bean Bonsai1. Insufficient Light
The coral bean enjoys sunlight. If it is kept in a dark environment for a long time, it can lead to leaf yellowing and shedding. In daily maintenance, ensure that the coral bean bonsai can receive ample scattered light.
2. Improper Watering
Watering is a crucial aspect of coral bean maintenance. Excessive or insufficient watering can cause leaves to turn yellow and shed. Generally, keeping the soil slightly moist is sufficient, avoiding waterlogging.
3. Improper Fertilization
Both over-fertilization and under-fertilization affect the growth of the coral bean. Excessive fertilization can damage the roots, leading to leaf shedding, while insufficient fertilization results in slow growth and leaf yellowing.
4. Diseases and Pests
The coral bean bonsai is susceptible to diseases and pests such as leaf spot disease and red spiders. These can cause leaves to turn yellow and shed, and in severe cases, lead to the death of the entire plant.
Preventive Measures for Leaf Shedding in Coral Bean Bonsai1. Optimize Light
Place the coral bean bonsai in a well-lit area, avoiding prolonged exposure to darkness. In summer, provide some shade to avoid direct strong sunlight.
2. Control Watering
Water the plant according to the moisture level of the soil. Generally, keep the soil slightly moist and avoid waterlogging.
3. Reasonable Fertilization
Choose the appropriate fertilizer based on the coral bean's growth needs. When fertilizing, control the amount to avoid over-fertilization.
4. Strengthen Disease and Pest Control
Regularly inspect the coral bean bonsai and deal with diseases and pests promptly. Methods for control include spraying pesticides and pruning diseased branches.
Coral Bean Bonsai Maintenance Techniques1. Pruning
Regularly prune the coral bean bonsai to remove sickly, weak, and dead branches, maintaining an aesthetically pleasing shape.
2. Repotting
Repot the coral bean bonsai every 2-3 years to maintain fertile soil.
3. Ensure Ventilation
Ensure that the environment where the coral bean bonsai is placed is well-ventilated to avoid the proliferation of diseases.
There are many reasons for leaf shedding in coral bean bonsai, mainly including insufficient light, improper watering, improper fertilization, and diseases and pests. By optimizing light, controlling watering, reasonable fertilization, and strengthening disease and pest control, you can effectively prevent and solve the problem of leaf shedding in coral bean bonsai. It is hoped that this article can provide help for your coral bean bonsai maintenance.