What if the leaves of Cymbidium turn yellow?

The yellowing of the leaves of Cymbidium is a common physiological disease. Different causes show different symptoms, and the common ones are as follows:

The watering of ① is impermeable, the water supply of root system is insufficient, and the leaf tip turns yellow or dry tip. This kind of situation should be watered in time, and the basin soil should be kept moist in the future.

② soil hardening, poor air permeability, or excessive fertilization, overwatering, or root rot, will appear the phenomenon of leaf yellowing. At this time, it is necessary to turn the basin, cut off the rotten roots, and put on the basin again with loose, fertile and slightly acidic culture soil.

Lack of light in ③. If the gentleman orchid is cultivated in a shady place for a long time and there is no light, there will be leaf yellowing. Therefore, the magnolia should be maintained in the outdoor semi-shaded and ventilated place in summer and grow indoors in the sunny place in winter. In addition, occasional local yellowing of individual leaves may be caused by cold wind, dry wind or fire, even if these pathogenic external factors should be excluded. In the outer layer of adult Cymbidium, 1 or 2 old leaves gradually turn yellow, which belongs to the normal metabolic phenomenon.