Why yellow Hibiscus - 7 main causes and treatments

Hibiscus has attracted the attention of beautiful buds of various colors (yellow, red, purple, white, pink) on the background of large green leaves. Their yellowing evidence of the influence of unfavorable factors. Consider the main ones and treatments hibiscus.

wrong watering

Although hibiscus and loves much water, but surplus moisture causes that soil becomes airtight, soil surface swamp. Plant signals the violation of the watering yellowing of leaves. Likewise hibiscus responds to the lack of moisture in the soil.

If the plant did not have enough moisture, it is necessary to increase the number. When an excess of - cut. In severe cases, the plant is transplanted into the soil easier.

Abrupt change in lighting

Hibiscus and adapts to the sunlight, and the penumbra. But a sharp change in light level leaves begin to turn yellow and fall off.

Therefore, when transferring a flower in a dark room, it is necessary to further dosvechivat. If spring hibiscus taken out into the open air, it must not be exposed to direct sunlight, hardening must take place gradually.

Wrong temperature regime

Chinese rose preferred temperature in the range 18-30 ° C. Its lifting or reducing the adverse impact on the tree. It is also unacceptable abrupt change in temperature.

If hibiscus entered from cool surroundings into a warmer, it should be sure to pour the roots and give him a shower.

When transferring plants to a cooler environment, you must turn on the heater.

Shortage or surplus of fertilizer

Excess nitrogen and phosphorus can lead to a change in leaf color. The same thing will happen with a deficiency of iron.

As a method of treatment it is necessary to adjust the number of plants need fertilizer. You must know exactly what nutrients are missing sapling.

disease

Upon contact with diseased hibiscus plants, pruned it poorly treated tools, it may be ill. One of the major diseases of Chinese rose - chlorosis.

The plant is to be transplanted into another pot and the new earth. Then, it was sprayed with anti-fungal drug.

vermin

The plant can affect how one pest, or several at once. The most common ones are: aphids, spider mites, Jose scale.

various insecticides (eg, Fitoverm, Akhtar) are used to eliminate harmful insects. Processed not only plant, but also the soil.

natural causes

Sometimes the plant can turn yellow 1-2 leaf for no apparent reason. When hibiscus actively increasing the green mass, old leaves may turn yellow and fall off. These are natural changes that harm the plant, they do not bring.