What is going on with the azalea's yellowing and wilting leaves?
Let's explore the knowledge about why azalea leaves turn yellow and wilt, and I'll answer related questions for netizens!
What is going on with the azalea's yellowing and wilting leaves?
It is common to encounter yellowing and wilting of azalea leaves during maintenance. What causes this? Let's find out together.
Reason for the yellowing and wilting of azalea leaves: Soil alkalization
We all know that azaleas prefer to grow in acidic soil. If the soil is not changed for a long time and alkaline water is used for irrigation, the soil will gradually become alkaline. In such an environment, azaleas cannot absorb nutrients properly, hence the yellowing and wilting of leaves. Therefore, we need to change the potting soil regularly and use acidic water for irrigation.
Lighting reasons
Azaleas enjoy semi-shade. Excessive sunlight can burn their leaves, causing yellowing and wilting, while insufficient light can hinder photosynthesis, preventing the production of sufficient chlorophyll, which also leads to yellowing and wilting. Therefore, we must control the lighting when maintaining azaleas, ensuring it is neither too strong nor insufficient.
Over-fertilization
When azaleas are in bloom, the flowers are dense and consume a lot of nutrients. Many gardening enthusiasts worry that their azaleas lack nutrients, which might affect growth and blooming. Thus, they frequently fertilize the plants. This leads to a buildup of fertilizer in the soil, gradually increasing its concentration. The roots of the azaleas can be burned, preventing the normal transport of nutrients and water, resulting in yellowing and drying of the leaves. Therefore, when fertilizing azaleas, it is important to control the frequency and avoid high concentrations.
The above introduction about why azalea leaves turn yellow and wilt is hoped to provide some floral knowledge for flower enthusiasts.