When to water plants in the garden? Some say in the morning, others at noon and still others in the evening. It's best to water the plants between three and four o'clock in the night, says Jürgen Herrmannsdörfer from the Federal Association of Retail Gardeners (BVE) If getting up between 3 and 4 o' clock is too early for you, the technology has a solution ready: an irrigation system equipped with a timer.

And there are even more gardening tips: With a very simple household trick, strawberries stay fresh for a long time and coffee grounds can perform miracles as fertilizer.