Calendula (Calendula officinalis, Asteraceae) is one of the easiest herbs to grow and a highly versatile medicinal plant—naturally, it finds its way into the hearts and gardens of all herb lovers. It has been used internally and topically for centuries to heal wounds, burns, and rashes. The sunshiny flowers are a traditional remedy for supporting the immune system and lifting the spirits. If that weren’t enough, the edible ray florets of the flower heads (which look like yellow or orange petals) are bursting with antioxidant compounds. In this article, we’ll share how to grow calendula, gather it throughout the summer, and use it for medicine.