What if the orchid leaves turn yellow and black?

The flower language of calla lily ❤`·.¸¸.·This article comes from [Decoration Information]

Orchids are loved by many flower friends, whether it is from her appreciation value or from her function of purifying the air, but also a good choice for home potted plants. But what if the orchid leaves are yellow and black due to improper maintenance? If the leaves are yellow, then the ornamental value is greatly reduced. What about the yellow and black leaves of some orchids? Solution: Hope it helps everyone.

First: too much or too little water: orchids like humid climate, if the lack of water for a long time, it will cause the drying of the part, lack of water, the leaves will be yellow and black. Orchids pot soil watering too much, will also cause root rot, yellow leaves, and even death phenomenon. Second: the temperature is too high: orchid leaves yellowing and temperature has a lot to do with, if the indoor temperature is too high or too hot will also appear yellow leaves phenomenon. Third: too little light: orchids love the sun, if the sun is too little, it will also cause poor plant growth and yellow leaves. Especially orchids placed indoors must be placed where sunlight can shine. Fourth: excessive fertilization: many friends think that more fertilizer is very helpful for the growth of plants, but it is not the case, orchids do not need too much fertilizer, if too much fertilizer, it will cause burns in the department, and then lead to yellowing of the leaves. Yellowing disease also occurs, causing yellow leaves to fall off, and serious plant death. Fifth: pest damage: any plant pests will appear yellow and black leaves phenomenon, orchids suffered pest damage will cause leaf damage, yellow leaves, black leaves phenomenon. There is also a high pH soil is not suitable for the use of root rot, root rot black, leaves will also lead to yellow fall off.

[Orchid leaves yellow black how to do it] 1, watering should be appropriate, pot soil dry, one-time watering water should not be too much, nor can it be out of drought for a long time without watering state. 2, the temperature should be kept stable, not too high or too low, between 5 and 10 ° C is the most appropriate, the temperature rises, the environment is stuffy, pay attention to ventilation, and strengthen humidity management. 3. White orchids are suitable for planting in courtyards or home balconies, windowsills and other places. They need plenty of sunshine, but they cannot be exposed to the sun. In summer, when the sun is fierce, they should pay attention to shade. 4, white orchid basin soil to choose slightly acidic soil, can not apply more alkaline inorganic fertilizer or water, with 0.2% ferrous sulfate foliar spraying, once a week. 5, root rot is mainly caused by excessive water, usually wait until the surface of the pot white water, and often loose soil. In the rainy season or excessive rain, it is advisable to move to the eaves or indoor shelter.

Conclusion: The above is the solution to the yellowing and blackening of orchid leaves. I hope that many flower friends will help. Orchids ornamental value is very high, so we must cultivate orchids well. If you want to know more about indoor plant farming, please continue to pay attention to love nest.

What about yellow orchids and black orchids?

?`?.??.?′′ˉ`? Related recommendations:

? Cactus radiation-proof? What is the use of cactus? Little Daisy's Flower Language? The flower language of calla lily?`?.???′′ˉ`? Indoor plants, this article comes from [decoration information]

Orchids are loved by many flower friends, whether it is from her appreciation value or from her function of purifying the air, but also a good choice for home potted plants. But what if the orchid leaves are yellow and black due to improper maintenance? If the leaves are yellow, then the ornamental value is greatly reduced. What about the yellow and black leaves of some orchids? Solution: Hope it helps everyone. First: Too much or too little water: orchids like humid climate, if the lack of water for a long time, it will cause the drying of the part, lack of water, the leaves will be yellow and black. Orchids pot soil watering too much, will also cause root rot, yellow leaves, and even death phenomenon. Second: the temperature is too high: orchid leaves yellowing and temperature has a lot to do with, if the indoor temperature is too high or too hot, leaves will also appear yellowing phenomenon. Third: too little light: orchids love the sun, if the sun is too little, it will also cause poor plant growth and yellow leaves. Especially orchids placed indoors must be placed where sunlight can shine. Fourth: excessive fertilization: many friends think that more fertilizer is very helpful for the growth of plants, but it is not the case, orchids do not need too much fertilizer, if too much fertilizer, it will cause burns in the department, and then lead to yellowing of the leaves. Yellowing disease also occurs, causing yellow leaves to fall off, and serious plant death. Fifth: pest damage: any plant pests will appear yellow and black leaves phenomenon, orchids suffered pest damage will cause leaf damage, yellow leaves, black leaves phenomenon. There is also a high pH soil is not suitable for the use of root rot, root rot black, leaves will also lead to yellow fall off.

[Orchid leaves yellow black how to do it] 1, watering should be appropriate, pot soil dry, one-time watering water should not be too much, nor can it be out of drought for a long time without watering state. 2, the temperature should be kept stable, not too high or too low, between 5 and 10 ° C is the most appropriate, the temperature rises, the environment is stuffy, pay attention to ventilation, and strengthen humidity management. 3. White orchids are suitable for planting in courtyards or home balconies, windowsills and other places. They need plenty of sunshine, but they cannot be exposed to the sun. In summer, when the sun is fierce, they should pay attention to shade. 4, white orchid pot soil to choose slightly acidic soil, can not apply more alkaline inorganic fertilizer or water, with 0.2% ferrous sulfate foliar spraying, once a week. 5, root rot is mainly caused by excessive water, usually wait until the surface of the pot white water, and often loose soil. In the rainy season or excessive rain, it is advisable to move to the eaves or indoor shelter.

Conclusion: The above is the solution to the yellowing and blackening of orchid leaves. I hope that many flower friends will help. Orchids ornamental value is very high, so we must cultivate orchids well. If you want to know more about indoor plant farming, please continue to pay attention to love nest.

Recommended reading

? How to raise water lily? Golden tea pictures? The flower pictures? Cornflower language? A succulent lotus? Tequila pictures? Poppy cultivation? Information about the flowers? Gingko tree planting? Gesang Flower Pictures

Orchid leaves yellow black how to do? Orchid conservation tips!

Many flower lovers who cultivate orchids have problems with yellowing orchid leaves in the process of cultivation. No matter what kind of plant, farming has its own rules of preference and needs to be cultivated in different ways. Orchid leaves yellow many reasons, to be specific analysis of what is the reason to better solve!

1. Improper watering causes yellow orchid leaves

Cause analysis: Orchids like humid growth environment, the requirements for air humidity are relatively high. When the roots are damaged due to insufficient watering or the air is too dry, the orchid leaves will turn yellow. On the contrary, if too much watering, ponding in the basin and poor drainage, it will cause the roots of orchids to lack oxygen and rot, yellow leaves will appear, and even death.

Solution: watering to master the skills, according to the drying of the pot soil to water, appropriate watering. Avoid over-drying or over-wetting the soil. Pay attention to the air humidity of the orchid growing environment. If the air is too dry, spray water frequently to maintain humidity.

2. Improper fertilization causes yellow orchid leaves

Cause analysis: If it is caused by fertilization orchid leaf yellow, generally because of one-time fertilization too much, resulting in orchid rhizome burns and yellow leaves. This is because orchids do not need large amounts of fertilizer to grow, so they need to be fertilized sparingly.

Solution: Orchid in fertilization, need thin fertilizer clever application, avoid applying thick fertilizer, large fertilizer and undecomposed liquid fertilizer. On the second day after fertilization, water should be poured once to dilute the fertilizer and avoid the occurrence of fertilizer damage.

3. Light causes orchid leaves to yellow

Cause analysis: Orchid requirements for light is relatively strict, it likes a more overcast growth environment, more afraid of the sun but can not lack sunlight. Therefore, the growth of orchids will be affected by insufficient light or too strong light. Strong light, easy to occur sunburn, so that orchid leaves injured and yellow; weak light, orchid plant nutrients are not enough, easy to yellow leaves.

Solution: Orchids like semi-shade, early spring and winter can be full sunshine maintenance, other time will plant in a well-ventilated place, avoid direct sunlight.

4. Diseases and insect pests cause orchid leaves to yellow

Cause analysis: If orchids encounter pests and diseases, there will also be yellowing of leaves, such as leaf spot disease, anthrax, etc., rotten roots will also lead to yellowing of leaves, even more harmful.

Solution: General orchid pests appear, affecting the leaves will be a gradual process. In the early stages of disease and insect pests, if they can be detected in time, countermeasures can be taken. According to the symptoms of orchids, it is judged that orchids have suffered from diseases and insect pests, and corresponding treatment measures are selected. Spraying pesticides or artificial control will alleviate the yellowing of orchid leaves.

5. Metabolism causes orchid leaves to yellow

Cause analysis: Orchid growth needs to be replaced with new and old plants. Because of the need to develop new leaves, the old leaves do not continue to grow, but turn yellow, wither and fall off.

Solution: Yellowing leaves caused by metabolism is a normal phenomenon, so there is no need to worry too much.

Yellow and black orchid leaves rescue method

1, watering should be appropriate, after the pot soil dry, one-time watering should not be too much water, nor can it be out of drought for a long time without watering.

2, the temperature should be kept stable, not too high or too low, between 5 and 10 ° C is the most appropriate, the temperature rises, the environment is stuffy, pay attention to ventilation, and strengthen humidity management.

3. White orchids are suitable for planting in courtyards or home balconies, windowsills and other places. They need plenty of sunshine, but they cannot be exposed to the sun. In summer, when the sun is fierce, they should pay attention to shade.

4, white orchid pot soil to choose slightly acidic soil, can not apply more alkaline inorganic fertilizer or water, with 0.2% ferrous sulfate foliar spraying, once a week.

5, root rot is mainly caused by excessive water, usually wait until the surface of the pot white water, and often loose soil. In the rainy season or excessive rain, it is advisable to move to the eaves or indoor shelter.