The blackening of the leaf tip of Gardenia jasminoides affects the beauty of checking the flower soil and leaves to prevent the spread of diseases.

Gardenia flower fragrance is pleasant, flower and leaf oil green, whether it is to watch the leaves or flowers are very suitable. Many flower friends will plant one or two pots of gardenia in their homes. However, gardenia grows better in the south, but it may be worse in the north, because gardenia likes acidic soil, but the soil in the north is mostly alkaline. So there will be some problems in the planting process, and here the small farmers will share with you the planting problem of gardenia.

The flower friend mentioned that the leaves of the gardenia planted in his home are black. from the picture, the growth of the gardenia is still very good, the leaves are greenish and shiny, and the blackening of the leaves is not serious. Flower friends are advised to check whether it is too much watering, because the picture can not see the gardenia pot soil is dry and wet, if too much watering, the leaf tip will be blackened. If the roots are soaked in the soil with poor permeability for a long time, the rotten roots are more likely to be caused by excessive watering. After the emergence of rotten roots, the leaves are undernourished and will turn black and fall off.

Flower friend's Gardenia

For the blackening of gardenia leaves caused by too much watering, flower friends are advised to cut off the blackened leaves of gardenia first. Move the flowerpot to a ventilated environment so that the pot soil can be drained as soon as possible and the soil viscosity will be reduced. If the gardenia has seriously rotten roots, it is necessary to remove the gardenia from the flowerpot, then cut off the rotten roots, disinfect the roots, and replant them.

In addition to overwatering, there are other reasons that can lead to blackening of gardenia leaves, such as insect pests, muggy summer weather, plants prone to insects, aphids and scale insects are most likely to appear on gardenia, both of which will lead to gardenia leaves blackening. Pests generally suck the stem sap of gardenia and spread bacteria, causing diseases caused by fungi in gardenia. This leads to the problem of blackening of the leaves.

In this case, flower friends need to first trim the blackened leaves, and then spray them according to the specific insect pests. And the pest problem is difficult to deal with, flower friends must have a certain degree of patience. Pay attention to the daily control of gardenia ventilation, leaves to keep clean. When spraying, do not use one agent for a long time, it is best to replace the use of multiple agents, which can reduce the possibility of drug resistance of insect pests.

Low temperature freezing injury is also one of the reasons why gardenia produces black leaves, which is one of the reasons why gardenia is not suitable for growing gardenia in the north. However, the current weather conditions will not cause low temperature and frost injury. Flower friends to the autumn, pay attention to the gardenia growing environment of the weather problems.

The above comes from the original creation of promoting agriculture through science.