Causes and solutions of yellow leaves of hibiscus flower

Hibiscus flower is a common plant in life, many friends also raise it at home, but many friends report that their hibiscus flower leaves appear yellow phenomenon. So what causes this? How do we solve this? Let's take a look at it together with Xiaobian.

1. Improper watering

Hibiscus flower is a kind of plant that likes warm and humid environment, but is afraid of ponding. If too much water is poured during the maintenance process, the soil is wet and airtight, which will lead to inhibition of root respiration and inability to breathe. In this way, the rhizome will pay for lack of oxygen. In addition, too much watering will cause the new leaves of hibiscus flowers to become yellowish, while the old leaves will turn yellow and fall off.

Solution: for watering too much and cause yellow leaves, should stop watering, and take off the pot to have scattered light ventilation drying, can also be placed on newspapers and peat soil, the excess water will be sucked out, or directly take off the pot, the soil control dry, and then re-planting.

2. Improper fertilization

Although hibiscus flowers like fertilizer, but can not be too thick or too frequent fertilization, fertilization too thick will cause root damage, and fertilization too frequent will cause fertilizer damage, both will inhibit root activity, resulting in yellow leaves.

Solution: So in the fertilization to master the source of thin fertilizer, generally every half month to apply a lower concentration of cake fertilizer can be, when due to improper fertilization caused by yellow leaves, should stop fertilization, and irrigation water dilution, generally a week later can be improved, in addition to pot soil renovation, soil replacement treatment.

3. Too much light

Hibiscus flowers can grow in full light environment, but also can withstand shade, but in summer high temperature and strong light, if it is directly exposed to the sun, without any shade yield, then the leaves will be burned by strong light, resulting in yellow leaves phenomenon.

Control methods: Spring and autumn winter can be directly placed in the sun maintenance, and summer needs appropriate shade, general shade more than 50%, and then appropriate to the leaves spray water, to avoid the leaves continue to yellow.

4. Diseases and pests

Hibiscus yellow leaves may also be caused by diseases and insect pests, some diseases will leave large black spots on the back of the leaves, serious will lead to yellow leaves.

Prevention and control methods: for hibiscus flower pest control should be based on prevention, occurrence of diseases should be dealt with in time, do not miss the best prevention and control time, occurrence of diseases should be diagnosed in time, and then the right medicine, the pests will be completely eliminated.

The above is an introduction to the causes and solutions of hibiscus leaves yellowing. I hope it can help you. If you want to know more about it, please pay attention to us.