Leaf spot disease can cause massive damage to the lawn. It is therefore very important to take countermeasures immediately if the green garden carpet shows the typical symptoms of this lawn disease. Below you will find out what you can do and how you can prevent leaf spot in the future.
How do I combat leaf spot on my lawn?
If your lawn is already suffering from leaf spot disease, you should carefullymowthe infected lawn area and destroy the grass clippings. Fertilize Then apply a suitable fertilizer to the lawn and consistently ensure good soil conditions in the future.
What is leaf spot?
Leaf spot is aunspecific fungal disease. Depending on the type of fungus, it can occur from spring to autumn at temperatures between 10 and 30 °C. If you do nothing, the entire lawn plant is in danger of dying.
What causes leaf spot disease on lawns?
Leaf spot disease is always preceded byweakening of the lawn due to poor conditions. The most common causes include:
- too much moisture (excessively frequent watering, damp cool weather, high humidity, dew)
- fertilization too one-sided (especially over-fertilization with nitrogen, magnesium and/or potassium deficiency)
- too much shadow, not enough light
- Lawn thatch and soil compaction
- grass cutting too deep
How do I recognize leaf spot disease on the lawn?
You can recognize leaf spot disease on lawns bywatery, whitish-yellow to brown spots on the leaves and leaf sheaths. The initially small spots will grow larger over time if you don't act in time.
How can I prevent leaf spot on my lawn?
In order to prevent leaf spot disease on the lawn, it is crucial to remove thefungi from the breeding ground. The following measures will help:
- don’t water unnecessarily often
- irrigate less in the cool season, but still avoid drought stress
- fertilize adequately (potassium-based in autumn)
- Improve lighting conditions, e.g. by cutting back shade-producing trees and bushes
- Remove leaves and grass clippings so that the lawn can absorb enough light and breathe
- Remove lawn thatch by scarifying
- Aerification
- avoid excessive deep cutting
Tip
Treat leaf spot disease on lawns with chemicals?
Various chemical agents are available commercially to combat leaf spot disease or the fungi that cause it. However, we advise you not to use such chemical clubs. Fungicides often do more harm than good. They endanger small children, pets, insects and groundwater. So try to save your lawn if possible with the measures described above.