What Causes the Yellowing of Osmanthus Leaves?
This article provides a detailed introduction to the reasons behind the yellowing of osmanthus leaves, related to green plants and flowers. Let's follow the editor to see the specific content!
What Causes the Yellowing of Osmanthus Leaves?
The most common reason for the yellowing of osmanthus leaves is strong sunlight exposure. Although osmanthus trees are suitable for growing in environments with plenty of sunlight, they do not prefer intense lighting. Excessive sunlight can burn their leaves, causing them to turn yellow.
What Happens When Osmanthus Leaves Turn Yellow?
The most common reason for the yellowing of osmanthus leaves is strong sunlight exposure. Although osmanthus trees are suitable for growing in environments with plenty of sunlight, they do not prefer intense lighting because too much sunlight can burn their leaves, leading to yellowing.
1. Overwatering: Osmanthus trees prefer a moist environment, but their roots are not tolerant of waterlogging. Therefore, when planting osmanthus trees, it is necessary to water them appropriately, not too much at once or too frequently, otherwise their roots will be waterlogged, leading to yellowing leaves.
2. Improper cultivation: If the tree is not properly cared for, resulting in illness or infestation, it may also cause the leaves to turn yellow.
What to Do When Osmanthus Leaves Turn Yellow?
1. Repot the osmanthus tree with fresh soil, place it in a well-ventilated area,剪除 the yellow leaves and rotten roots, then plant it in soil with good drainage. Temporarily stop watering for a while until it recovers.
2. If the osmanthus tree is sick, it is necessary to剪除 the diseased leaves promptly, then spray a fungicide on the plant and soil for treatment. If infested with pests, use a brush to remove the adult pests first, then spray insecticide for treatment. 3. Cut off the yellow leaves and place the osmanthus tree in a location with diffused light for growth.
The above is a detailed introduction to the reasons behind the yellowing of osmanthus leaves. Have you understood it?