Reason: Iris is suitable for growing in a semi-shady environment. It cannot stand strong light. Once it is exposed to strong light, it may burn the leaves, causing the leaves to turn yellow and dehydrate, and then fall down.
Solution: When raising irises, be sure to pay attention to the light, move the irises to the shade for maintenance after seeing strong light, properly shade, spray water and mist on the plants, increase the humidity of the air, and promote the recovery of the plants.
Reason: Iris growth has a natural cycle, when after a period of growth cycle, the leaves will naturally yellow and fall.
Solution: This is a normal phenomenon and belongs to natural metabolism. In this case, you do not need to do more treatment, and you only need to continue maintenance.
Reason: In the process of maintenance, watering is also very critical, too little watering will lead to drought and water shortage, causing leaves to yellow and fall off.If you water too much, it will lead to root water, causing rotten roots and leaves.
Solution: Iris does not need too much water, and does not like the humid growth environment, but can not lack water, so according to the growth needs of watering, but can not be excessive.
Reason: Poor maintenance may breed pests and diseases, which will cause problems on the leaves, resulting in yellowing and falling.
Solution: pay attention to good maintenance methods, do a good job of ventilation treatment, timely treatment of pests and diseases.