If a greasy coating suddenly forms on your otherwise green lawn, you should take action because the carpet of algae can spread quickly. Find out here how you can efficiently combat algae in your lawn and what you can do to prevent it.
How do you fight algae in the lawn?
If you recognize a severe algae infestation in your lawn, you shouldrehabilitate the affected lawn areaOnly use such measures in spring or autumn so as not to weaken the grass. You should then spread at least two centimeters ofbuilding sand
How do you recognize algae in the lawn?
You can recognize algae in the lawn by aslippery coating that spreads out in threads on the surface. Blue-green algae form black to olive green spots. They are not directly harmful to the grass, so they are not a lawn disease. However, they hinder the plants' ability to absorb nutrients and water. If there is a strong, slimy algae infestation, the grass can even die. The dense layer of algae literally suffocates the lawn grass as it deprives it of its livelihood.
What should you consider when fighting algae in the lawn?
Fight algae in the lawn after a short dry period. The algae dry up and form a crusty layer. Remove this top layer with a spade or rake. Then pierce the compacted soil with a digging fork to loosen it up. This way theExcess water can drain away Fill the resulting holes with a mixture of compost soil and coarse-grained sand. This makes the soil drier. Sow suitable lawn seeds densely to prevent further algae spread.
How do algae form in lawns?
If the summer is exceptionally humid and rainy, algae can spread explosively on the lawn.dense and impermeable soils The water builds up in the upper layer of the earth for a long time. Once algae has spread across the lawn, it spreads quickly. They even survive dry phases undamaged and grow again when moist.
How do you prevent algae in the lawn?
With good lawn care you can prevent algae in the lawn. These include the following measures:
- Keep the lawn as thick and he althy as possible. Ensure optimal nutrient supply and fertilize in autumn.
- The soil should be loose and permeable so that no waterlogging can form.
- Scarify the lawn regularly so that it is well ventilated and does not become matted.
- Don't mow the grass too short.
- Water regularly, but not excessively.
- If possible, prevent permanent shading.
Tip
Avoid chemical weed killers
Total weed killers don't recognize the difference between crops and weeds. If you spread such an agent over the entire lawn, you will also cause massive damage to the lawn, so that it will die completely.
