This perennial herb, also known as Leopard's Bane, gives you bright, yellow, daisylike flowers that blooms in July. The leaves are hairy and oval. The stem can grow up to 2 feet tall. Arnica belongs to the sunflower family.

Grow arnica in moist, sandy soil in a sunny location. Harvest the plant just as they become fully open.

Part used: Flower heads.

Don't use if you are pregnant since it can promote menstruation. Don't use if you have diabetes since it can increase the amount of suger in the blood. Don't take large doses. Don't apply it to broken skin.
Arnica may cause vomiting, weakness and increased heart rate.