How To Protect Your Garden Against Heavy Rainfall

Garten Starkregen

The entire garden suffers from heavy rain. So that the beds and plants do not come to harm, you should protect your garden with suitable measures against heavy rainfall. How this works, you will learn in this article.

As a result of climate change, heavy rainfall is becoming more frequent. the term “heavy rainfall” is used when an unusually large amount of precipitation falls within a very short period of time. As the Elsterwerda Water and Wastewater Association states, the German Weather Service issues a warning for heavy rainfall in two stages. A prominent warning is issued when more than 20 liters of rain per square meter fall within six hours. A severe weather warning is issued if more than 25 to 35 liters fall during this period.

Protect plants from waterlogging during heavy rains


To protect your garden from heavy rain, you can take various measures. It is especially important that you protect your plants from waterlogging. You can do this by digging trenches and creating beds with a slope. This way the water will flow away from the plants. You can also use gravel or grit to create a drainage system in the soil under the plants so that their roots are not submerged.

Alternatively, you can dig a protective plant tunnel. You can either buy this directly from a garden center or build it yourself. If you want to make your own tunnel, you will need a large garbage bag and some wire. Cut open the large garbage bag and tape it to the wire to form a tunnel. Then put it over your plants and attach it to the ground. Once the storm subsides, you can remove the tunnel.

Protect your lawn with a grid

Mithilfe eines Gitters schützt du deinen Rasen bei Starkregen.

You can also protect the lawn during heavy rain so that it does not turn into a single mud puddle as a result. To ensure that the lawn continues to get enough oxygen and can “breathe”, you should lay out a lawn grid as a preventive measure. Since the ground between the stones remains free, the water can drain off well. After rainfall, you can also help your lawn by loosening the soil. Use aeration forks, nail shoes or motorized aerators to “poke” small holes in the lawn.

In the long run, you can also help your lawn by dethatching it regularly.

Avoid unnecessary soil sealing


You should avoid sealing the soil in your garden so that the water can continue to drain away even during heavy rainfall. This is because sealed surfaces prevent water from seeping into the soil naturally, so it must drain above ground. During heavy rains, this could encourage flooding. So it’s better if you completely seal as few surfaces as possible. To support a natural water cycle, you can, for example, use grass pavers or create water-permeable paths.

Checking trees after heavy rain


Trees can also be affected by the heavy rain. At least in the long term, if there are repeated heavy rains, the soil will soften. If the tree has a large crown, a heavy rain can act like a lever. If storm gusts then come along, a large tree can, as the Tagesspiegel mentions, even topple over in the worst case.

You should therefore examine the woody plant carefully for damage after heavy rainfall. If the soil is too soggy, a tree can topple over. Then it is urgently necessary to “secure” it with a stable wooden stake. To do this, simply stick the woody plant vertically into the ground and attach a thick rope to the tree. This will stabilize the tree and prevent it from toppling over.

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