Cause: the water demand of Fusang flower is strict. In the high temperature season, water once a day and sometimes twice. The lack of water will cause the leaves to turn yellow.
Solution: in the growth of Hibiscus, we should give it enough water. Water once a day from July to August. If the water evaporates quickly, it needs to be watered again. In addition, spray water on the leaves in the morning and evening to keep the air moist.
Reason: the growth of Fusang flower needs sufficient light, and it is not afraid of the sun, the longer the light, the better. Lack of light will cause leaves to turn yellow and buds to fall
Solution: Although Fusang flower is resistant to shade, long-term absence of light is definitely not good. Generally, it is cultured outdoors and receives light all day. Indoor can put balcony or the windowsill that faces the sun, let it receive sufficient light..
Cause: lack of nutrients in the soil will cause the growth of hibiscus flowers to be poor, resulting in drooping and yellowing of leaves.
Solution: like many plants, hibiscus flowers need to be fertilized frequently during the growth period. Generally, compound fertilizer should be applied once a week. The fertilizer should be thin to avoid damaging the roots. But the difference is that fertilizer should also be applied during its flowering period. Every half a month to apply a thin organic liquid fertilizer, mainly phosphorus and potassium fertilizer.
Cause: the main insect pests of Hibiscus Mori are aphids, red spiders and sponge scale, etc. these three kinds of insect pests will absorb the juice of the plant, causing the leaves to turn yellow.
Solution: for pests, we should not only eliminate the surface adults, but also control the invisible larvae. It can be sprayed on the surface of the plant once a week with the medicine killed by aphid and mite, and it will be basically extinct after 2-3 times. After that, we should strengthen ventilation and light transmission, do not put it in the too humid closed environment.
