Jasmine is a plant that likes sunshine very much. There is a common saying that "the jasmine flowers that can't be exposed to the sun and are not afraid of the sun", which is a typical representative of the strongly positive flower plants. The high temperature season in summer is the vigorous period of its growth, so it needs sufficient light. When the light is enough, its branches are thick and its leaves are bright green. Lack of sunlight will cause the leaves of iron jasmine to become large and soft, lose luster, the color of leaves will gradually change from strong green to light green, then to yellow and dry, and slowly fall off.
Jasmine iron is very drought resistant plant, jasmine iron in the vigorous growth period must have sufficient water. When the temperature is high in the exuberant period, it only needs 3 to 5 days for watering. When watering, it is necessary to avoid ponding in the basin. Too much ponding will also cause the leaves of the iron jasmine to turn yellow and dry, as long as the soil in the basin is fully wetted.
Jasmine is a plant that is especially afraid of cold. When the temperature in winter is only about 6-7 ℃, it is necessary to move the jasmine to indoor planting immediately. Also open the window to breathe, can avoid the iron Jasmine leaves from falling yellow
The indoor temperature should be kept above 6 ℃ and watered once a week or so. Because the temperature in winter often fluctuates, when the temperature is high and the weather is warm, we should move the iron jasmine to the outdoor ventilated place for illumination.
The pruning of iron jasmine is also very important. Cut off the branches and leaves in time to avoid excessive absorption of nutrients. Can make its plant shape beautiful, eye-catching, can also avoid iron Jasmine leaves due to lack of nutrients and become yellow fall off.
In winter, as long as the soil in the basin is kept slightly moist, you can make the branches and leaves of the iron jasmine green and survive the winter.
The above are the main reasons for the yellow leaves of jasmine.