Do rhododendrons lose their leaves in winter? Why do the leaves turn white?

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1. Are the leaves falling?

2. Winter maintenance

3. Why are the leaves turning white?

Rhododendrons will lose their leaves in winter, and the fallen leaves are usually old leaves. It is rare for large areas of leaves to fall. If this is the case, it may be caused by improper maintenance. When the plant is infected with disease or the temperature is high and the air is not breathable, the leaves will easily turn white. They should be treated in time and the maintenance methods should be changed appropriately.

1. Do they lose their leaves?

Rhododendrons will lose their leaves in winter. This is a normal phenomenon, but generally it is the older leaves that will fall, and there will not be widespread leaf fall. If you find that a large area of the plant's leaves has fallen, it is most likely caused by improper maintenance. However, there are many varieties of rhododendrons, and some varieties do not lose their leaves.

2. Winter maintenance

In When cultivating azaleas in winter, you should pay attention to cold protection, especially when maintaining them in northern areas, and do not spend the winter outdoors in the open air. After the beginning of winter, it should be kept indoors, and the temperature should be controlled at 8-10°C. It should also be exposed to more sunlight. In winter, the sun is not strong and it can see light all day long. At this time, it requires less water, so water it sparingly and do not water until the soil is dry. Don't fertilize it, just apply base fertilizer once in January of the next year, which can promote its spring flowering.

3. Why are the leaves turning white

When the rhododendron leaves turn white, it is likely to be infected with a disease. When the plant is infected with powdery mildew, the leaves will turn white. Drugs should be purchased immediately for prevention and control, or spraying with green onion liquid or rice vinegar liquid can also have a therapeutic effect. In addition, this phenomenon will also occur if the maintenance environment is airtight and the temperature is too high. The maintenance method must be changed accordingly. In addition, if spider mites are present, insecticides should be used to kill them.

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