As a common indoor ornamental plant, Nandina domestica is deeply loved by many gardening enthusiasts for its unique shape and elegant temperament. However, the phenomenon of Nandina domestica leaves turning white has puzzled many enthusiasts. What should we do if the leaves of Nandina domestica turn white? Let's take a look at the expert tips on how to quickly remedy the situation.
Check soil problemsIf the leaves of Nandina domestica turn white, soil problems should be considered first. Excessively dry or moist soil may cause the leaves to turn white. Here are some checks and treatment methods for soil problems:
1. Check soil moisture: Squeeze the soil with your hand. If it feels dry, water it immediately. When watering, make sure to water thoroughly to keep the soil moist.
2. Improve soil aeration: If the soil is too compacted, you can appropriately increase the proportion of organic matter such as decomposed leaves and sandy soil in the soil to enhance soil aeration.
3. Control watering frequency: Nandina domestica is not tolerant to waterlogging. Too much watering can lead to root rot. Generally speaking, keeping the soil slightly moist is enough, avoiding waterlogging.
Check lighting problemsThe leaves of Nandina domestica turning white may also be caused by insufficient or excessive lighting. Here are some checks and treatment methods for lighting problems:
1. Adjust the placement: Place Nandina domestica in a bright area of the room, avoiding direct sunlight. If the indoor lighting is insufficient, you can use auxiliary light sources such as table lamps.
2. Shading treatment: In the strong summer sun, you can appropriately shade Nandina domestica to avoid leaf sunburn.
Check fertilization problemsImproper fertilization can also cause the leaves of Nandina domestica to turn white. Here are some checks and treatment methods for fertilization problems:
1. Control the amount of fertilizer: Too much fertilizer can lead to high soil salinity, affecting the growth of Nandina domestica. Generally, applying a compound fertilizer once a month is sufficient.
2. Choose the right fertilizer: Choose fertilizers suitable for the growth of Nandina domestica, such as liquid fertilizers and slow-release fertilizers.
Check for pest and disease problemsPest and disease problems may also cause the leaves of Nandina domestica to turn white. Here are some checks and treatment methods for pest and disease problems:
1. Observe the leaves: Carefully observe the leaves. If pests or diseases are found, take measures promptly.
2. Clean the plant: Regularly clean the plant, removing diseased leaves and pests.
3. Use pesticides: Use pesticides for control when necessary.
Check environmental factorsEnvironmental factors such as temperature and humidity can also affect the growth of Nandina domestica. Here are some checks and treatment methods for environmental factors:
1. Control temperature: The suitable temperature for Nandina domestica growth is between 15-25°C, avoiding high or low temperatures.
2. Maintain air circulation: Good indoor air circulation is beneficial for the growth of Nandina domestica.
The whitening of Nandina domestica leaves may be caused by a variety of factors such as soil, lighting, fertilization, pests and diseases, and environment. We can take corresponding measures to remedy these issues. I hope the above methods can help gardening enthusiasts restore the vitality of Nandina domestica.
References:
[1] Zhang Xiaoyan, Yang Xiaomei. Cultivation and Management of Nandina domestica [J]. China Flower and Horticulture, 2019, (5): 35-36.
[2] Wang Xiaodong, Li Hui. Nandina domestica Maintenance Techniques [J]. Rural Science and Technology, 2018, (5): 44-45.