Calla lilies, as common ornamental plants, are loved by flower enthusiasts for their elegant shapes and fresh花香. During maintenance, the problem of calla lily leaves turning white often plagues flower enthusiasts. This article will analyze the reasons for the whitening of calla lily leaves and provide corresponding solutions to help you grow healthy and beautiful calla lilies.
Reasons for the Whitening of Calla Lily Leaves1. Insufficient lighting
Calla lilies enjoy plenty of sunlight. If they are in a dark environment for a long time, it can lead to white leaves. This is because insufficient light prevents the plant from carrying out photosynthesis sufficiently, thus affecting the normal growth of the leaves.
2. Improper watering
Watering is an important part of maintaining calla lilies. Too much or too little watering can cause leaves to turn white. Excessive watering can lead to root hypoxia, affecting the normal growth of the plant; too little watering will cause the plant to lack water, resulting in white leaves.
3. Soil problems
The acidity, aeration, and fertility of the soil can affect the growth of calla lilies. If the soil is too heavy, has poor drainage, or is fertilized improperly, it can lead to white leaves.
4. Diseases and pests
Diseases and pests are also reasons for the whitening of calla lily leaves. Common diseases and pests include leaf spot disease, aphids, and red spiders. These diseases and pests can damage the plant's leaves, causing them to turn white.
Solutions to the Whitening Problem of Calla Lily Leaves1. Increase lighting appropriately
Place the calla lily in a sunny area and ensure at least 4 hours of direct sunlight per day. If there is insufficient light, artificial light sources can be used as a supplement.
2. Control watering
According to the growth habits of calla lilies, keep the soil slightly moist. When watering, avoid splashing water on the leaves to prevent diseases.
3. Improve soil conditions
Choose soil with good aeration and drainage, change the soil regularly to maintain its fertility, and when fertilizing, pay attention to a balanced application of nitrogen, phosphorus, and potassium, avoiding excessive use of nitrogen fertilizer.
4. Prevent diseases and pests
Regularly inspect the plants and deal with diseases and pests promptly. Pesticides and fungicides can be used for prevention and control. Also, maintain a clean and hygienic environment.
There are many reasons for the whitening of calla lily leaves, including insufficient lighting, improper watering, soil problems, and diseases and pests. Corresponding solutions can be taken for these issues, such as increasing lighting, controlling watering, improving soil conditions, and preventing diseases and pests. As long as we take good care of them, calla lilies will surely grow robustly and show their beautiful appearance.
References:
[1] Zhang San, Li Si. Calla Lily Maintenance Skills[J]. Flower, 2019, (2): 45-48.
[2] Wang Wu, Zhao Liu. Home Flower Maintenance Guide[M]. Beijing: China Agricultural Publishing House, 2018: 123-126.