1, reason: It is not cold-resistant, when the temperature is too low, it is easy to frostbite, resulting in yellow leaves.When the temperature is too high in summer, if there is strong direct light, it is easy to appear leaves withered and yellow.
2. Treatment method: It is necessary to remove it from the place with strong direct light in the summer with strong sunshine, and place it in the place with scattered light for maintenance.In winter, when the temperature is low, the maintenance temperature should be adjusted in time, and it is better to maintain indoors.
1. Reason: It has a large demand for water. During the growth period, it has been short of water for a long time or the water is too pure but lacks certain minerals, which will cause its leaves to turn yellow.Alkaline soil will also make its leaves yellow, normal and bad.
2. Treatment method: Ensure that the water quantity is sufficient and the water quality is clean. Do not use polluted water for irrigation.Change soil immediately when problems arise in potting soil, do not hurt plant roots, use fertile acidic sandy loam soil.
1. Reason: It needs a certain amount of nutrition during the growth period. If it is fertilized too little for a long time, then it will have the problem of leaf yellowing due to insufficient nutrition.If too much fertilizer is applied, it will cause the old leaves to dry and yellow.
2. Treatment method: Fertilizer should be applied according to the amount, and if the fertilizer is not enough, it should be supplemented in time.If too much fertilizer is applied, stop fertilizing immediately and increase the amount of water to lose fertilizer.Or change the pot immediately, rinse the bulb and use the newly prepared planting soil.
