With the arrival of winter, many plants begin to enter the dormant period, and Euphorbia cyathophora is no exception. Many flower friends have found that Euphorbia cyathophora's leaves turn yellow and fall off in winter, which not only affects the ornamental value but also increases the difficulty of maintenance for flower friends. This article will provide a detailed analysis of the reasons and countermeasures for the yellowing and falling of Euphorbia cyathophora leaves in winter, helping flower friends to better care for their beloved Euphorbia cyathophora.
Reasons for the yellowing and falling of leaves of Euphorbia cyathophora in winter1. Insufficient light
Euphorbia cyathophora is a plant that likes light. In winter, the duration of sunlight is relatively short. If it is in a dark environment for a long time, it can cause the leaves to turn yellow and fall off.
2. Low temperature
In winter, the temperature drops. If the indoor temperature is too low, the roots of Euphorbia cyathophora will be affected, causing the leaves to turn yellow and fall off.
3. Improper watering
In winter, the water requirement of Euphorbia cyathophora decreases. Excessive or insufficient watering can cause the leaves to turn yellow and fall off.
4. Improper fertilization
Too much or too little fertilization, as well as improper fertilization time, can lead to the yellowing and falling of Euphorbia cyathophora leaves.
5. Pest and disease invasion
In winter, the temperature is relatively low, and pests and diseases are relatively rare, but they can still occur. Pest and disease invasion can cause Euphorbia cyathophora leaves to turn yellow and fall off.
Countermeasures for the yellowing and falling of leaves of Euphorbia cyathophora in winter1. Adjusting light
In winter, the duration of sunlight is short. Euphorbia cyathophora can be placed in a well-lit area indoors, such as near the window. If indoor lighting is insufficient, plant growth lights can be used to supplement the light.
2. Controlling temperature
The indoor temperature in winter should be maintained above 15°C to prevent the leaves of Euphorbia cyathophora from turning yellow and falling off due to low temperature.
3. Proper watering
In winter, the water requirement of Euphorbia cyathophora decreases. When watering, follow the principle of "watering when dry and stopping when wet" to avoid excessive or insufficient watering.
4. Reasonable fertilization
In winter, Euphorbia cyathophora grows slowly. Fertilization should focus on phosphorus and potassium fertilizers, reducing the use of nitrogen fertilizers. The fertilization time can be chosen in spring and autumn.
5. Preventing pests and diseases
Regularly inspect Euphorbia cyathophora. If pests and diseases are found, take measures in a timely manner. Biopesticides or low-toxicity pesticides can be used for control.
There are many reasons for the yellowing and falling of Euphorbia cyathophora leaves in winter. Flower friends should take corresponding countermeasures based on the actual situation. By adjusting light, controlling temperature, proper watering, reasonable fertilization, and preventing pests and diseases, the growth condition of Euphorbia cyathophora can be effectively improved, allowing your Euphorbia cyathophora to spend a warm winter.
References:
[1] Zhang Xiaohong, Li Ming. Winter Maintenance Skills of Euphorbia cyathophora [J]. Botanical Garden, 2018, 37(2): 45-47.
[2] Wang Lina, Liu Yang. Research on the Control of Pests and Diseases of Euphorbia cyathophora [J]. Plant Protection, 2019, 45(3): 56-58.