It is normal for azaleas to lose their leaves in winter, but it is usually the old leaves that will fall, and there will not be a large area of defoliation.If you find that a large area of leaves fall off the plant, it is likely to be caused by improper maintenance.However, there are many varieties of rhododendrons, and some varieties will not shed their leaves.
When cultivating azaleas in winter, attention should be paid to cold prevention, especially when maintaining in northern areas, do not spend the winter in the open air.After the Beginning of Winter, it should be kept indoors, and the temperature should be controlled at 8-10 C. Let it bask in the sun more, because the sunshine is not strong in winter, it can see light all day.At this time, it needs less water, so it is necessary to water sparingly, and do not water if the soil is not dry.Don't fertilize it, just apply a base fertilizer in January next year, which can promote its spring flowering.
When Rhododendron leaves turn white, it is likely to be infected with disease, when the plant is infected with powdery mildew, the leaves will turn white.Drugs should be purchased immediately, or sprayed with onion liquid or rice vinegar liquid, which can also play a therapeutic role.There is also the maintenance of the environment is not breathable, the temperature is too high will also have this phenomenon, to change the maintenance method.In addition, if a red spider is born, insecticides should be used to kill it.
