What if the leaf tips of Phnom Penh orchids turn yellow?

What if the leaf tips of Phnom Penh orchids turn yellow? How to keep Phnom Penh hanging orchids without yellow leaves? Generally speaking, the leaves of Phnom Penh orchids are yellow from the tip of the leaves, and it is summer now, so they should be watered more in the process of breeding Phnom Penh orchids. In order to prevent the leaves from withering, they are often watered. This can also wash the ash layer off the leaves, which is not only conducive to growth, but also has a clear and beautiful leaf. However, why do the leaves of Phnom Penh turn yellow? Here are some analytical ideas and ways to solve the problem.

The reason for the yellowing of the leaf tip of Phnom Penh

1. Excessive fertilization exceeds the demand for Phnom Penh orchids. After fertilization, the leaves will appear bright and uneven, and then the roots will show yellow due to malnutrition after partial decay. So at this time should stop fertilizing, more watering, or rice basin to wash the roots, change the new soil is also a very good way. It can be seen that the spatial soil liquid concentration is very important.

2. The soil has not been turned over for a long time, and the soil has solidified when all the nutrients in the basin have been exhausted. The deficiency of the three most important elements, nitrogen, phosphorus and potassium, makes the leaves gradually turn yellow. At this time, the soil should be changed or fertile loam and fertile water should be replaced in time.

3. Phnom Penh Cymbidium belongs to semi-shade flowers, but it also needs light, so you should ensure at least 4-5 hours of light every day. Otherwise, the leaves will turn yellow when the chlorophyll decreases. The best way is to put it under an indoor incandescent lamp or on a balcony.

4. the air permeability and water permeability of basin soil are not good, which leads to long-term stagnant water and difficulty in root respiration, so the leaves turn yellow naturally. At this time, we should loosen the soil and control moisture in time. Fifth, it is impervious to water for a long time. The roots of Phnom Penh lost water, and the lower old leaves turned yellow. It should be watered thoroughly to keep the basin soil warm and moist.

Phnom Penh hanging orchid leaf tip why easy to dry coke yellowing, although raising hanging orchid is not troublesome, if you do not pay attention to management, it is easy to make hanging orchid leaf tip dry scorch yellow. Phnom Penh hanging orchid likes the semi-shady environment, such as the place where the light is too strong or insufficient, the leaves are easy to become medium yellowish green, lack of life, lose ornamental value, or even dry up and die. If in the case of direct sunlight and dry air, it is most likely to cause the leaf tip of Cymbidium to be scorched. Therefore, the orchid should be placed in a cool and ventilated place, often spraying water to the leaf surface to increase the humidity of the environment. In addition, improper watering and fertilization will also cause leaf dryness.

Phnom Penh orchids like to be moist, but excessive watering or poor drainage will cause rotten roots, make Phnom Penh orchids grow poorly, and cause scorch and death. Cymbidium prefers fertilizer, lack of fertilizer and water, and the plant is prone to leaf yellow-green and withered tip. However, fertilization should not be excessive, depending on the growth of Phnom Penh, reasonable fertilization. To prevent frost injury in overwintering, room temperature should not be lower than 4 ℃.