Ivy is a common green leaf plant in winter. It doesn't need shade in winter, and it doesn't matter if the light is strong enough. But in summer, the sun is strong, if not moving, it is normal to receive sunlight, which is easy to cause necrosis of the leaves.
Ivy likes cool environment. It is afraid of sultry and frost, especially the early frost in autumn and winter. If it is not moved to the room in time, the leaves will suffer from frost and become yellow. There is also indoor culture in summer, not timely ventilation, the environment is sultry, will also cause yellow leaves.
The biggest ornamental place of ivy lies in the leaves, and the water supply is the premise to ensure the leaves are full. During the growth period, it is necessary to ensure that the basin soil is wet, but it cannot accumulate water. Many flower friends do not grasp the degree well in the maintenance process, which causes the basin soil to be dry and wet, the plant cannot get enough water, the plant metabolism is slow, and the plant yellow leaves.
Plant diseases and insect pests are inevitable in the process of plant maintenance, but in some cases, the naked eye can not see the insects on the leaves. If the control is not timely, the yellow leaves of plants will be caused. Or in the role of leaf spot disease, the plant will not have any signs of yellow leaves, defenseless.
Ivy leaves always turn yellow and may be hungry. People will eat when they are hungry. Plants need nutrients when they are hungry. When the leaves of the plant turn yellow, it is obvious that there is a lack of iron. In the process of maintenance, there is no fertilization for a long time, or the elements are not balanced when applying fertilizer.
Since ivy is picky about temperature, please satisfy it. After all, you covet the beauty of others. Control the ambient temperature at 20 ~ 25 ℃, pay attention to the ambient humidity and ventilate frequently. In winter, the temperature should be controlled above 5 ℃, and 10 ℃ is the best.
Under suitable light, the leaves of ivy will have the same shape and bright color. If the plant turns yellow due to light, the serious leaves will be cut off directly, and the newly grown young leaves will be kept, and appropriate light will be given to make it recover slowly.
In the growing season, we should see the dryness and wetness (that is, we should not let the basin soil be too wet or too dry). If there is too much water, we will have rotten roots and fallen leaves. Especially in winter, the temperature is low, so it is necessary to control watering, as long as the basin soil is a little wet.
When growing Ivy at home, pot soil can be made up of rotten leaves or carbon soil mixed with 1 /4 river sand and a small amount of bone meal. In the growing season, the water and fertilizer of thin cake can be applied once every two to three weeks. Generally, do not apply fertilizer in summer and winter, and pay attention not to choose partial application of nitrogen fertilizer when applying fertilizer. When applying fertilizer, we should also pay attention not to stain the leaves, so as not to cause the leaves to scorch. If the yellow leaves are caused by iron deficiency, the iron element shall be supplemented in time and ferrous sulfate solution shall be irrigated.
