What to do if the leaves of Phlox paniculata turn yellow

1. Too much water causes root rot

Reason: Phlox is suitable for growing in a humid environment, so most people water it a lot. In fact, if there is too much water, its roots will be soaked in stagnant water, and the root rot will cause the leaves to turn yellow.

Treatment method: Loosen the soil of the potted plants with yellow leaves appropriately, then place them in a ventilated location to allow excess water to evaporate as quickly as possible. You should control the water when it is necessary, especially in the autumn and winter seasons, and you must not water too much.

2. Insect Infestation

Reason: When the plant is attacked by red plants, there will be red-brown spots on the leaves in the early stage, and the leaves will turn yellow in the later stage.

Treatment method: When there are only a few insects, you can use clean water to wash them away. When there are many insects, it is recommended to use mite spray and use it regularly.

3. Lack of light

Reason: It likes to grow in warm places and needs more sunlight during the growing season. If you keep it in a dark place, the plant will grow poorly and its leaves will turn yellow.

Treatment method: Immediately move the potted plant to a sunny place to ensure air circulation. However, do not place it in a place exposed to strong sunlight in summer.