What to Do When the Leaves of the Thuja orientalis Turn Black
You may not be aware of the small knowledge of gardening about what to do when the leaves of Thuja orientalis turn black. Here are the details:
What to Do When the Leaves of Thuja orientalis Turn Black
The blackening of Thuja orientalis leaves may be due to too strong light or insufficient light, excessive watering, or caused by pests and diseases. It is important to pay attention to the usual maintenance methods, ensuring 2-4 hours of adequate light every day, watering basically every 3 days in summer, and usually misting the leaves with a spray bottle. You also need to cut off the blackened leaves or directly take measures such as changing the pot and soil.
Why Do the Leaves of Thuja orientalis Turn Black
1. Light issue: Thuja orientalis enjoys light. If there is not enough light and it is placed in a place with poor ventilation, it can easily cause root damage, leading to yellowing and blackening of the leaves.
2. Watering issue: Thuja orientalis likes water and should be watered regularly. Sprinkle water around the pot to maintain air humidity. However, excessive watering can also cause the leaves to turn black.
Reasons for the Blackening of Thuja orientalis Leaves
1. Excessive exposure to strong sunlight: Direct exposure to intense light may burn the leaves, ultimately leading to sunburn and causing the leaves to turn black and wither.
2. Over-fertilization: If the plant is fertilized too heavily or excessively, it can cause fertilizer damage, leading to blackening and withering of the leaves.
3. Infestation by pests and diseases: Pests and diseases can also cause the leaves of Thuja orientalis to turn black and wither.
Remedial Methods for Blackened Thuja orientalis
When the leaves of Thuja orientalis turn black, attention should be paid to the usual maintenance methods, ensuring 2-4 hours of adequate light every day, watering basically every 3 days in summer, and usually misting the leaves with a spray bottle. It is also necessary to cut off the blackened leaves of Thuja orientalis.
If the Thuja orientalis turns black, it can still survive. First, use your nail to remove the dry Thuja orientalis. If there is still moisture, it may still germinate. You need to change the soil promptly and prepare for disinfection. Place tiles or stones at the bottom of the pot to increase drainage and trim the rotten roots.
Should the Blackened Leaves of Thuja orientalis Be Cut?
The blackened leaves of Thuja orientalis should be cut. If the blackening is just beginning and only the edges of the leaf surface are affected, only the blackened part should be cut off. However, if the entire leaf surface is largely affected, the whole leaf should be cut off.
This article shares comprehensive methods for dealing with the blackening of Thuja orientalis leaves, hoping to solve your green plant problems.