The hibiscus, also known as the garden marshmallow, enchants us with its flowers from July to September. The shrub is considered very robust and easy to care for. However, young plants are not so strong in the first few years and are sometimes attacked by fungi.
How do I recognize powdery mildew on hibiscus?
Mildew on hibiscus can be recognized by awhitish, mealy coating on the top of the leaf. The white-coated shoot tips in early spring are also characteristic. The fungus overwinters there and spreads further in spring when the weather is warm.
How do I treat mildew on hibiscus?
A significantPruning of the affected parts of the plant helps against mildew on hibiscusIt is particularly important to remove the affected shoot tips when infested in early spring. In addition, the young plants can be treated with various home remedies. You can use a mixture of milk and water in a ratio of 1:2 as a spray against powdery mildew on hibiscus.
What causes mildew on hibiscus?
On young plants, powdery mildew can cause severe damage and, above all,especially growth disorders. The fungus initially colonizes the leaf surface with its mycelium. From there it sucks moisture and nutrients from the leaves. These turn light brown and die. If the hibiscus loses a lot of leaves, photosynthesis hardly takes place and the shrub is no longer supplied with nutrients. Sensitive young plants can die as a result.
Tip
The right conditions for he althy hibiscus
The best protection against mildew is strong and he althy plants. Hibiscus thrives in sunny to partially shaded, nutrient-rich soil. By using horsetail tea in irrigation water, you can strengthen garden marshmallow even further. When overwatered, the leaves of hibiscus become soft and fungal disease can occur even in larger plants.
