What to do if Phalaenopsis leaves have black spots

1. Proper sunshade

Reason: Phalaenopsis cannot be exposed to strong light. If the light is too strong, it will burn the leaves, causing partial burns and producing black spots.

Solution: Place it in a place with scattered light, or provide appropriate shading when the sun is at its strongest.

2. Clean environment

Reason: In an environment with a lot of coal smoke, orchids are easily harmed by smoke and dust and black spots will appear.

Solution: The place for growing Phalaenopsis should have fresh air, be clean and tidy, and avoid growing it in places with excessive dust or smoke.

3. Spray pesticides in time

Reason: If black spots appear on the plant, it is likely that it is infected with pests and diseases. Only by removing the source of the disease in time can the plant grow better.

Solution: When there are many mosaic leaves, you can cut off the spotted leaves to prevent cross infection. At the same time, use 80% mancozeb or 80% Dasheng 800 times solution to spray the plants 2-3 times a month.

4. Increase the temperature

Reason: Phalaenopsis is a tropical plant, so when the temperature is too low it will produce dead leaves or black spots.

Solution: Keep the room temperature at 20-24℃. It should not be lower than 10℃ in winter, otherwise the growth will stop.