What to do when the leaves of golden-edged daphne (Daphne odora 'Aureomarginata') turn black and drop in summer? How should golden-edged daphne be cared for in summer?

In the scorching summer, golden-edged daphne often faces problems such as leaves turning black and dropping, which worries flower lovers greatly. When golden-edged daphne shows blackened leaves and leaf drop in summer, we must first analyze the possible causes. Summer sunlight is intense; if golden-edged daphne is exposed to direct sunlight for a long time, it easily causes leaf