What to do if hydrangea leaves turn yellow and the reasons and solutions for yellowing hydrangea leaves.

How to deal with the yellowing of hydrangea leavesA detailed introduction on how to deal with the yellowing of hydrangea leaves and the reasons and solutions for the yellowing of hydrangea leaves, as well as the content of green plant and flower planting. Next, the site editor will introduce to the netizens.In daily life, people often find that the leaves of hydrangeas turn yellow when raising them. If not dealt with in time, it can easily lead to the plant dying directly. However, many people do not know the reasons for the yellowing of hydrangea leaves, so they also do not know how to deal with it. So, what should be done if the leaves of hydrangea turn yellow? In fact, the solution is very simple, let's take a look with the editor below.[One, reasons for the yellowing of hydrangea leaves]<1. Direct sunlight>Although hydrangeas need sunlight when growing, they cannot be exposed to the sun for a long time, as this can cause the leaves to turn yellow. Therefore, during the growing period, it is necessary to avoid direct sunlight to prevent the leaves from turning yellow.<2. Over-fertilization>During the fertilization process of hydrangeas, overly concentrated or raw fertilization can easily burn the roots, leading to yellowing of the leaves. If the plant has not been repotted for a long time, especially lacking in nitrogen fertilizer, the plant will not receive enough nutrients, causing the leaves to lose their green color and turn yellow.<3. Insufficient watering>Hydrangeas prefer a moist and shady growing environment and require a high amount of water. Therefore, insufficient watering can cause the leaves to turn yellow and may even lead to root rot, so everyone should pay more attention during the maintenance process.<4. Soil is alkaline>If hydrangeas are planted in alkaline soil or watered with alkaline or neutral water for a long time, it can lead to a lack of iron in the soil, and the leaf color will gradually turn yellow. The main manifestation is that the top tender leaves of the branches turn yellow, the old leaves turn yellow, but the veins remain green. As the condition worsens, the entire plant's leaves will turn yellow, the leaf edges will become scorched, and they will gradually wither.[Two, what to do if the leaves of hydrangea turn yellow]<1. Reduce sunlight exposure>If there is insufficient sunlight, it is necessary to appropriately increase the exposure time, which will gradually recover. If the sunlight is too strong, immediately move the plant to a shady and light-blocking area to avoid direct sunlight. Also, frequently spray water on the leaves and the surrounding environment to increase air humidity, and the leaves will gradually recover their green color.<2. Watering should be appropriate>When over-fertilized, stop fertilizing immediately and water a small amount. Or directly remove the plant from the pot, wash it with clean water, and repot with new soil. If under-fertilization causes the leaves to turn yellow, change the soil and fertilize in time, applying a dilute liquid fertilizer every 10 days, and the leaves will gradually turn green.<3. Repot and cultivate>...