Marigold has a sweet aroma faintly reminiscent of citrus and is widely used to treat and prevent infections! It has antibiotic properties that helps prevent the growth of bacteria in wounds such as ulcers and open sores and in turn helps prevent them from becoming infected. It's anti-parasitic properties can help to prevent the spread of airborne diseases, also working as a natural repellant to insects such as mosquitoes that could spread these diseases. It also possesses relaxing properties that relieve muscle spasms, convulsions, and cramps!
Metaphysically: Marigold (Calendula) is associated with joy, comfort, and protection. It can be used to uplift the spirits, soothe emotional wounds, and bring a sense of warmth and security. It's also linked to dreams and psychic awareness.