What to Do When Crown of Thorns Leaves Turn Yellow and Curl? Detailed Solutions

Crown of thorns, also known as Christ thorn, is a shrub plant native to the tropics. The whole plant is covered with sharp conical spines, and the flowers it produces are very ornamental. Many people like it not because of its noble origins, but because of its unique character. Regarding crown of thorns, many flower enthusiasts share a common problem: what should be done when the leaves of crown of thorns turn yellow and curl? Next, follow Shuashuai Xiaobian and take a look! Analysis of the causes of yellowing leaves in crown of thorns and solutions:

1. Caused by overwatering (water yellowing): Crown of thorns is not afraid of drought, but fears too much water. Too much water will damage the root system, causing the leaves to turn yellow.

Solution: Reduce the amount and frequency of watering and move it to a place with plenty of sunlight.

2. Caused by stuffy air: Crown of thorns is suitable for growing in places with air circulation and ventilation, such as courtyards and balconies. If the environment is too enclosed and unventilated, the leaves will turn yellow. Solution: It is best to place crown of thorns in a courtyard or balcony or other relatively outdoor environment, because crown of thorns is somewhat toxic, so it is not recommended to keep it indoors, for safety reasons.

3. Too low temperature: At the end of autumn, crown of thorns enters winter dormancy from its peak flowering period, and the leaves turn yellow and fall off.

Solution: Actually, yellowing or falling off at this time is normal, and new leaves will grow again in early spring.

4. Overfertilization (fertilizer yellowing): Crown of thorns does not like fertilization. If too much fertilizer is applied or unfermented raw fertilizer is used, it will burn the root system and cause the leaves to turn yellow.

Solution: Fertilize crown of thorns appropriately and do not fertilize blindly. Before fertilizing, consider whether the fertilizer is suitable for the growth and development of crown of thorns.

5. Chemical damage: The ingredients of certain chemicals can cause the leaves of crown of thorns to turn yellow.

Solution: When watering crown of thorns, if the water used is tap water, it needs to be left to stand for a few days before being used for irrigation. Otherwise, if the chloride in the water has not evaporated, it will be toxic to crown of thorns and cause the leaves to turn yellow and fall off. In addition, the unique appearance of crown of thorns gives it good ornamental value, and it can be processed into bonsai. If the whole plant is used as medicine, external application can treat bruises, fractures, malignant sores, and so on.

The above are the causes of yellowing and curling leaves and the solutions. I hope it can help you! If you want to learn more related knowledge, please keep locking onto this site. Finally, Shuashuai Xiaobian wishes all flower enthusiasts' crown of thorns grows better and better!