The butterfly orchid bud turns yellow and is caused by environmental pollution and improper watering.

There are many reasons why the flower bud of Phalaenopsis turns yellow. if it is caused by environmental pollution, the plant should be moved to a ventilated environment. If the photosynthesis is insufficient, the flowerpot should be moved to a better sunny place in time. If the temperature is too high, spray water around to reduce the temperature. If watering is improper, stop watering, watering along the edge of the basin soil can be done.

Causes of bud yellowing in Phalaenopsis 1. Environmental pollution

Phalaenopsis is sensitive to environmental changes. If the growth environment is seriously polluted, the harmful substances will seep into the bud and cause the bud to turn yellow for a long time. At this time, the flowerpot should be moved to a ventilated environment in time, and the surrounding environment should be cleaned every day to avoid affecting the growth of the plant.

2. Insufficient photosynthesis

Too little light is one of the reasons why the flower bud of Phalaenopsis turns yellow. Phalaenopsis is a sunny flower plant. If it does not receive sufficient light during the day, its respiration increases at night, resulting in a shortage of internal nutrients and the bud will turn yellow. at this time, the flowerpot should be moved to a sunny place, shade for a short time in summer and daylight all day in winter.

3. The temperature is on the high side

Phalaenopsis likes to grow in a warm environment. If the daytime temperature is higher than 29 ℃, the metabolism of the plant will be accelerated for a long time, and a large amount of nutrients will be lost, which can easily cause the bud to fall off and turn yellow. At this time, water should be sprayed around the plant to achieve the purpose of cooling, or move the flowerpot to a cool and ventilated place.

4. Too much water

If Phalaenopsis is watered too much during flowering, or directly watered inside the flowers, the oxygen content inside will be greatly reduced, which will adversely affect the development of buds, and the bud will turn yellow. watering should be stopped at this time, and then watered normally after returning to normal. Watering should be poured along the edge of the potted soil when watering.