The star of Bethlehem won’t turn red? This simple way you can color the leaves

The star of Bethlehem, also known as the poinsettia, with its red leaves, is one of the symbols of Christmas. Unfortunately, it is not always easy to obtain this characteristic color of the leaves, which makes the plant look sad and lose its natural charm. What to do if our star of Bethlehem refuses to turn red? Don’t worry, there is a very simple way to help her.