TheNaturePlanet

Phalaenopsis is a favorite among many flower lovers. However, when the beautiful flower buds gradually turn yellow and even fall off, it will undoubtedly be very disturbing. So, what exactly is the reason for the yellowing and dropping of Phalaenopsis flower buds? Next, we will conduct a detailed analysis from multiple perspectives.
Temperature Changes: Phalaenopsis is extremely sensitive to temperature changes. The suitable growth temperature is between 15°C and 30°C, and the most suitable temperature is about 25°C. If the environmental temperature is too high, exceeding 30°C, or too low, below 10°C, the growth of the flower buds will be affected, causing the flower buds to turn yellow and wither. Especially during the flowering period, temperature control is particularly important. Therefore, in the hot summer, attention should be paid to providing appropriate shade and ventilation and cooling measures for Phalaenopsis; in the cold winter weather, heat preservation work should be done well to avoid sudden temperature changes and create a stable growth environment for Phalaenopsis.
Light Issues: Light is one of the important factors affecting the growth of Phalaenopsis. Phalaenopsis requires an appropriate amount of scattered light for photosynthesis. If it is placed in a dark place for a long time, it will lead to insufficient photosynthesis, affecting the growth and development of flower buds and causing them to turn yellow and fall off. At the same time, too strong direct light will also burn the plants and flower buds, causing the flower buds to turn yellow. Therefore, Phalaenopsis should be placed in a position with bright light but avoiding direct light, such as the place with scattered light next to the window. When the sun is strong in summer, a sunshade net can be used to adjust the light; when the light is insufficient in winter, an LED plant growth lamp can be used to supplement the light.
Water Management: Phalaenopsis also has a relatively high demand for water, but it is not tolerant to waterlogging. Excessive watering will cause water to accumulate in the potting soil, making the roots in a state of hypoxia for a long time, and the supply of nutrients will be insufficient, resulting in the yellowing and dropping of flower buds. On the other hand, too little watering will make the plants short of water, which will also affect the growth and development of flower buds. Therefore, when watering, the principle of "watering when the soil is dry and thoroughly watering" should be followed, that is, watering after the surface of the potting soil is dry, and watering thoroughly. At the same time, attention should be paid to keeping the environmental humidity between 60% and 70%. Humidity can be increased by using a humidifier or spraying water next to the plants, but be careful not to spray water on the flowers.
Fertilizer and Water Management: Unreasonable fertilizer and water management can also cause the flower buds of Phalaenopsis to turn yellow and fall off. In daily maintenance, attention should be paid to the reasonable application of fertilizer and water. When fertilizing, the principle of "applying thin fertilizers frequently" should be followed to avoid burning the seedlings due to excessive fertilizer. At the same time, attention should be paid to checking the dryness and wetness of the soil and the growth status of the plants, and adjusting the frequency and amount of watering and fertilizing according to the actual situation. If the roots are damaged, such as rotting, the flower buds will not be able to obtain sufficient nutrient supply and will turn yellow and fall off. Therefore, in daily maintenance, attention should be paid to observing the growth status of the plants and promptly discovering and dealing with root problems.
Other Factors: In addition to the above factors, there are some other factors that may also cause the flower buds of Phalaenopsis to turn yellow and fall off. Such as improper potting and soil changing, and the breeding environment being polluted. When changing the pot and soil, it is necessary to avoid damaging the roots and flower buds; during the breeding process, it is necessary to keep the environment clean and well-ventilated, and avoid Phalaenopsis being in a polluted environment for a long time.
The reasons for the yellowing and dropping of Phalaenopsis flower buds may involve temperature changes, light problems, water management, fertilizer and water management, and many other aspects. In the process of maintenance, attention should be paid to observing the growth status of the plants and taking corresponding measures for prevention and solution. Only in this way can the beautiful Phalaenopsis grow healthily and vigorously and bloom gorgeous flowers.