How to set up your garden so it waters itself

Relaxing in the garden while the lawn sprinkler automatically takes care of the watering. Photo: Christin Klose/dpa

The best time to water the garden in summer is in the early morning between four and six o'clock. That's when the soil has cooled down well after the night and hardly any water will be lost through evaporation.

But if you find the prospect of setting an early alarm every day a bit irksome, technology can help.