What causes orchid leaves to dry up?

(1) Whether overwatering is the cause. Although orchids like a humid environment, you must never water too much, as this leads to root rot and withered leaves. (2) Whether it is a lack of fertilizer or over-fertilization. Too little fertilizer causes malnutrition in orchids and withered leaves; over-fertilization causes fertilizer burn and withered leaves. (3) Whether there is too much light. Orchids are flowers that love shade and fear direct sun. (4) Whether humidity is too low. Orchids require humidity kept between 60-80%. If it is too dry, withered leaves will appear. (5) Whether the temperature is low. Orchids are suited to living in a warm environment. Low temperatures or freezing will both cause orchid leaves to wither! (6) Whether they have contracted a disease or been attacked by pests. These will all cause orchid leaves to wither! (7) Whether they are repotted and the soil changed in time! Generally, orchids should be repotted and have their soil changed once every 2-3 years or so. (8) Whether air pollution is present in the environment where the cultivation of orchids takes place. Orchids are one of the indicator flowers for air pollution. They are extremely sensitive to air pollution. For example, they are extremely sensitive to cooking fumes, coal smoke, soot, paint, air fresheners, chemically synthesized preparations, insecticidal agents and so on. The slightest carelessness will cause orchid leaves to wither or even die! Orchids are a relatively delicate and precious flower variety, so the cultivation of orchids requires considerable attention to detail. It is precisely for this reason that orchids are called the hermits among flowers. As the saying goes, the character of a flower reflects the character of a person; only by constantly improving cultivation techniques and personal character can one succeed in growing orchids well, understanding orchids and appreciating orchids!