没有光，花卉就会失去呼吸、吸收养分和生长的能力。日光固然对花卉的生长发育起重要作用，但月光的照射，对某些花卉也能产生意想不到的效果。紫茉莉只有经过月光的照射才能开出五彩缤纷的花朵；栀子花、花鱼草在月圆时香气最浓；红千层花既需要日光又需要月光，若夜空乌云遮? Without light, flowers lose their ability to breathe, absorb nutrients and grow. Although sunlight plays an important role in the growth and development of flowers, the irradiation of the moonlight can also produce unexpected effects on certain flowers. Mirabilis jasmine only after the moonlight exposure to open a colorful flowers; Gardenia, flower grass in the moon aroma most concentrated; red Melaleuca flowers need both sunlight and moonlight, dark clouds cover the night sky?