Garden Tips

Collect rainwater and use it as irrigation water - 3 possibilities presented

Collect rainwater and use it as irrigation water - 3 possibilities presented

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It is free of charge and is regularly made available to us: anyone who collects rainwater can not only use it sensibly, but also protect his wallet.

rain barrels

If you don't have a garden, you usually don't like it when it rains outside. Hobby gardeners, on the other hand, are usually happy about it. Why? Quite simply: on the one hand the plants are watered in the garden, on the other hand the rainwater can be collected and later used as irrigation water. This in turn has the advantage that the water consumption can be reduced enormously and so much money can be saved.

Think about it: How many liters of tap water do you have to use to water your entire garden? A lot right? So that corresponds to a lot of money. And in times when the costs for water and wastewater tend to increase, it can go down on your wallet. But not only that. Rainwater is much better for plants than tap water anyway (reading tip: Water outdoor plants with tap water - you should be aware of this). So just use the free good that falls from the sky for watering. All you need is a collection container.

This is how rainwater can be collected and stored

➤ Option 1 - Set up the rain barrel:

The easiest and cheapest way to collect and store rainwater is to set up a rain barrel. It is most effective if you place the rain barrel under a downpipe that directs the water from the roof surface directly into the barrel. So you have enough irrigation water for a smaller garden in no time.

Normally, normal plastic containers are offered as rain collecting containers, which have a volume of 200 to 500 liters. If these are too rustic for you, you can also rely on very modern and chic rain barrels. In the trade you can find besides rain barrels made of wood, column tanks, rain barrels in the form of amphorae and with plant bowls for almost every garden style or taste.


A particularly beautiful rain barrel in the form of an amphora can e.g. find on It has a volume of 200 liters and is really a very nice alternative to the conventional rain barrel. And the great thing about this model: the integrated planting bowl also enables a very individual design.

➤ Option 2 - set up the water tank:

water tank

For larger gardens in which 500 liters are simply not sufficient for watering, it is advisable to set up several rain barrels in different corners of the garden. Alternatively, you can also place a large water tank with a capacity of 1,000 liters in the garden.

The only problem: these tanks usually don't look very nice. For all those who don't mind the look or who can hide the tank in a corner in the garden, such a water tank is perfect. And if you are a bit creative, you can also create a panel for it so that the tank visually matches the style of the garden.


A simple option would be cladding with wood, for example. You can find instructions on how to do this at Here you can see not only what the wooden cladding looks like, but also what you need in terms of material and tools.

➤ Option 3 - integrate cistern in the garden:


If you do not want to put a rain barrel or a water tank in the garden and also want to be as independent of the public water supply as possible, you can also integrate a cistern in the garden. It is an underground or covered collecting container for rainwater, which usually has a capacity of 3,000 to 10,000 liters! With such a cistern, you really don't have to use tap water for watering.

The great thing about it: since cisterns are embedded in the earth, they do not take up any space and can e.g. can even be installed under a garage entrance. But not only that. In a cistern you can also collect rainwater for the household and e.g. to use the toilet flush or the washing machine.


You can find out what such cisterns look like and what types of models there are, for example watch on Here you will find both plastic and concrete tanks. You can also get advice on which variant is better for your garden.