Like other fungal diseases, leaf spot fungus can also severely affect the hibiscus. In this article you will learn what symptoms occur with such a fungal infestation and how to properly treat your marshmallow.
How do I combat leaf spot fungus on hibiscus?
If your hibiscus suffers from leaf spot fungus, you should isolate it from other plants if possible to prevent the fungal spores from being transmitted. Remove all affected plant parts and dispose of them with household waste. Never compost. Disinfect the secateurs before and after.
How do I recognize leaf spot fungus on hibiscus?
The leaf spot fungus manifests itself as irregular,brownish to black spots on the leaves of the hibiscus. Some of these spots are yellowish and have a dark purple edge. Initially the leaf spots appear as dots, but over time they become larger. In addition, the leaf spot fungus on hibiscus often leads to premature leaf fall.
What are the causes of leaf spot fungus on hibiscus?
As the name suggests, leaf spot on hibiscus is caused by fungal spores. The following conditions favor fungal infestation:
- persistent leaf wetness due to incorrect watering or a long period of rain
- unbalanced fertilization (e.g. excess of nitrogen and lack of potassium)
- Lack of light due to an unsuitable, shady location
- Planting distances that are too tight, so that the leaves have difficulty drying and absorb too little light
How do I prevent leaf spot fungus on hibiscus?
To protect your hibiscus from leaf spot fungus and other fungal diseases, the most important thing is to adequately care for the marshmallow:
- Never water the leaves, butwater the root area alone.
- Fertilize in a balanced manner and tend to be calibrated.
- Give the hibiscus a suitable location.
- Maintain sufficient planting distances.
We also advise you to remove fallen leaves immediately. Fungal spores like to nest in it and spread from there to the he althy foliage.
Tip
Distinction from yellow spot disease
Yellow spot, a viral disease, is relatively common in hibiscus. It manifests itself as yellow spots on the leaves. Since the spots can also be yellowish in leaf spot fungus, it is sometimes difficult to make the correct diagnosis. However, this is not absolutely necessary because the treatment remains the same.
