Cineraria, as a popular choice for home gardening, is loved for its elegant leaves and beautiful flowers. Many gardeners encounter the issue of whitening leaves during the maintenance process, which not only affects the ornamental value but may also threaten the health of the plant. This article will delve into the reasons for the whitening of cineraria leaves and provide corresponding solutions.
Reasons for the Whitening of Cineraria Leaves1. Insufficient lighting
Cineraria prefers a semi-shaded environment. If it remains in a dark place for an extended period, the leaves may turn white. This is because insufficient light hinders the synthesis of chlorophyll, leading to white leaves.
2. Improper watering
Both excessive and insufficient watering can cause the leaves of cineraria to turn white. Too much water can lead to root rot, preventing the leaves from absorbing enough nutrients; too little water will cause the leaves to turn white due to dehydration.
3. Improper application of fertilizers
Too much or too little fertilizer can affect the growth of cineraria. Excessive fertilization can lead to excessive plant growth and white leaves; insufficient fertilization results in malnutrition and white leaves.
4. Pest and disease infestations
The whitening of cineraria leaves may also be caused by pest and disease infestations, such as aphids, red spiders, and diseases like leaf spot and powdery mildew, which can all cause leaves to turn white.
Solutions for the Whitening of Cineraria Leaves1. Adjust lighting
Move the cineraria to a semi-shaded area, avoiding prolonged exposure to dark environments. During the growing season, ensure 4-6 hours of scattered light exposure daily.
2. Control watering
Water appropriately based on the soil's moisture level, generally keeping the soil slightly moist and avoiding waterlogging.
3. Reasonable fertilization
Apply compound fertilizers according to the cineraria's growth stage. During the vigorous growth period, apply once every 10 days; during the flowering period, apply once every 15 days.
4. Prevent and treat pests and diseases
Regularly inspect the cineraria and deal with pests and diseases promptly. Use insecticides or fungicides for control.
There are many reasons for the whitening of cineraria leaves, but as long as the cause is identified and appropriate measures are taken, the leaves can return to normal. During maintenance, the following points should also be noted:
1. Maintain good ventilation and avoid stuffy and humid environments.
2. Prune regularly to remove diseased and weak branches and leaves.
3. Avoid frequent moving to prevent disrupting the plant's growth.
With attentive care, cineraria can surely grow robustly and add a touch of green to your home.