What if the leaves of white orchids turn black?

White orchid leaves black, may be caused by the environment is not ventilated, need to improve the ventilation environment maintenance, watering too much to reduce the amount of watering, can be watered once every 5 days, fertilization too much to change the soil, every half month to apply cake fertilizer, too strong light to move to the scattered place maintenance, suffering from disease spraying corresponding chemicals can be.

1. Environmental ventilation

White orchids have high environmental requirements. If white orchids are placed in a poorly ventilated environment for maintenance, it is easy to blacken the leaves of white orchids. It is necessary to immediately move them to a ventilated place for maintenance to restore the leaves of white orchids.

2. Reduce the amount of water. White orchids are drought-tolerant. If too much watering is done at ordinary times, the white orchids will accumulate water and rot their roots, resulting in blackening of the leaves of white orchids. It is necessary to reduce the amount of watering and cut off the rotten roots for re-maintenance. It can be watered once every 5 days at ordinary times.

3. Control fertilizer amount

Excessive fertilization will also affect the growth of white orchids, resulting in blackening of white orchids leaves and reducing the ornamental value of white orchids. It is necessary to immediately change the soil for white orchids, control the amount of fertilizer and carefully maintain them. Generally, cake fertilizer can be applied every half month in spring and autumn to make the growth of white orchids more ornamental.

4, shade sun protection usually need to give white orchids enough light, so that its growth has more ornamental value, but if in the summer strong sunlight, it is easy to make the leaves dehydrated and black, need to move the white orchids to the shade careful maintenance, so that the leaves gradually restore vitality.

5. Disease control

The blackening of white orchid leaves may also be caused by yellow disease, anthracnose and other diseases. It is necessary to cut off all diseased branches and leaves immediately, improve the growth environment, strengthen the watering and fertilization management of white orchid flowers, and spray corresponding chemicals to prevent and control diseases.