1, too much or too wet fertilization, resulting in fertilizer damage. The fertilization time of crab claw flower is very important. Don't force them to fertilize in winter and summer.

2. The humidity in the root system is too high, which leads to root rot and affects the leaves. When maintaining fairy finger and crab claw orchid, water less, master the principle of thorough watering, and don't water around noon. At this time, the temperature of the basin soil is high, and cold water will hurt the roots, especially the leaves will fall off.

3. Improper exposure. The indoor temperature in winter should not be lower than 15 degrees Celsius. Crab claw flowers must be placed near Nanzhou, so that sandalwood plants can see the sun, master the principle of watering rather dry than wet, and pay attention to ventilation in the well. It should be placed in a well-ventilated place in midsummer. If the ambient temperature is high and the ventilation is poor for a long time, a large number of blades will fall off.