There’s good news for gardeners who want to save water, and also time and effort: most of us water more than is actually necessary. Most plants even become more resistant to dry spells if watered less frequently. “It’s better to water less often, but properly,” says Corinna Hölzel from BUND, the German chapter of Friends of the Earth. “If you water a little every day, the plants get used to it and don’t develop deep roots.” It’s all about the timing The best time to water the garden is in the morning. Watering at midday is a no-go, as the water evaporates quickly and plants can burn in the hea…