Causes of yellowing of the leaves of crape myrtle myrtle bonsai is one of the traditional bonsai arts. It is deeply loved by people for its beautiful posture and rich cultural connotations. During the maintenance process, many flower friends will encounter the problem of yellowing of yellowing myrtle my Reasons for yellowing of the leaves of crape myrtle bonsai 1. Improper water management Crape myrtle likes a humid environment, but avoid waterlogging. Too much or too little watering will cause the leaves to yellowing. Too much watering will cause the roots to lack oxygen and affect nutrient absorption; Too little watering will dry the soil and cause the leaves to wither.
2. Crape myrtle prefers an environment with sufficient sunshine. If it is in a dark environment for a long time, the leaves will gradually turn yellow. Too strong light will also cause sunburn and macula to appear.
3. Soil problems. Soil problems. Excessive acid or alkali soil, poor permeability, and insufficient nutrients will cause yellowing of the leaves of crape myrtle. crape myrtle is suitable for growing in loose, fertile, and well-drained soil.
4. Pests and diseases invade crape myrtle are vulnerable to pests such as aphids, red spiders, and scale insects. These pests will absorb nutrients from the leaves, causing the leaves to turn yellow.
5. Improper fertilizer application and excessive application of nitrogen fertilizer will cause crape myrtle to grow too vigorously and its leaves to turn yellow; long-term non-fertilization or insufficient fertilization will also cause the leaves to turn yellow. Solutions for yellowing leaves of crape myrtle bonsai 1. Appropriate watering According to the growth habits of crape myrtle, keep the soil moist. When watering, it should be poured evenly to avoid standing water. When high temperatures in summer, the number of watering can be increased appropriately.
2. Place the crape myrtle bonsai in a sunny place with appropriate amount of light to avoid exposure to a dark environment for a long time. Pay attention to avoid direct sunlight to avoid sunburn on the leaves.
3. Improve the soil and regularly replace the basin soil, select loose, fertile, and well-drained soil, and apply appropriate amounts of organic fertilizers to improve soil fertility.
4. Regularly inspect the crape myrtle bonsai to prevent and control pests and diseases, and take timely measures when pests and diseases are discovered. Pesticides and fungicides can be used to prevent and control them.
5. Reasonable fertilization According to the growth needs of crape myrtle, reasonably apply fertilizers. During the period of vigorous growth, appropriate amounts of nitrogen fertilizer can be applied; during the flowering period, phosphorus and potassium fertilizers can be applied.
There are many reasons why the leaves of crape myrtle bonsai become yellow, but as long as you master the correct maintenance methods, this problem can be effectively avoided. I hope this article can provide you with useful reference and wish you a healthy and beautiful crape myrtle bonsai.