What should I do if the leaves of lily of the valley turn yellow?

Lily of the valley, also known as lily of the valley, lily of the valley, and bellflower, is a particularly fresh flower. It is elegant and beautiful, with a pleasant fragrance, and is very suitable for home potted plant maintenance. Many people often encounter the problem of yellowing leaves when caring for them. What should they do? Let’s learn more about it below.

1. Improper watering

The yellowing of lily of the valley leaves is most likely caused by improper watering. Too much or too little watering will cause the leaves to turn yellow.

Solution: When watering lily of the valley, control the amount of water and observe the dryness of the soil in the pot before watering.

2. Inappropriate light exposure

Lily of the valley needs a moderate amount of light, but not direct exposure to the sun. If there is insufficient light, its growth will be affected and the leaves will turn yellow. If the light is too strong, especially in summer, it will burn the leaves.

Solution: Give lily of the valley plenty of light, but avoid direct exposure to the sun. During high temperatures in summer, appropriate shade should be provided to prevent the leaves from being sunburned.

3. Improper fertilization

If too much fertilizer is applied to lily of the valley, yellow leaves will also appear. Of course, if the plant is in a state of nutrient deficiency for a long time, it will appear thin and yellow.

Solution: Do the correct fertilization work. During the growing season of lily of the valley, we can use some nitrogen, phosphorus and potassium fertilizers to help its growth. Pay attention to the principle of applying small amounts of fertilizer frequently. Generally, fertilize it once every half a month. You can use homemade organic fertilizer liquid, farmyard manure, or compound fertilizer and potassium dihydrogen phosphate spray.

4. Unsuitable environment

Lily of the valley likes a warm and humid environment. If the environmental conditions are not suitable, such as the temperature is too high or too low, or the ventilation is poor, the leaves may turn yellow.

Solution: Lily of the valley is very cold-resistant but not heat-resistant. The most suitable ambient temperature is 18-22 degrees. In the hot summer, try to keep the room temperature within a suitable range. At the same time, open the windows regularly to ventilate and maintain air circulation to prevent the lily of the valley from turning yellow.

5. Impact of pests and diseases

Lily of the valley is susceptible to some diseases and pests, such as leaf spot disease, aphids, etc. These pests and diseases can cause yellowing of leaves.

Solution: Timely discovery and timely treatment, such as using agents such as carbendazim and omethoate, removing the affected parts, etc., can prevent diseases and pests from damaging lily of the valley and reduce yellowing of leaves.

In general, if the leaves of your lily of the valley have turned yellow, you can check the above reasons one by one and take corresponding measures to correct them, and basically the problem can be solved.