Catnip, also called catmint, is a strong-smelling plant of the mint family. It grows to a height of 2 or 3 feet (61 to 91 centimeters). Catnip bears little clusters of whitish flowers with small purple dots. The downy, heart-shaped leaves are green above and whitish below. Catnip has been cultivated for centuries and used for medical purposes. A tonic made from the plant is said to be a good remedy for colds. Catnip also provides a seasoning for cooking and is used as an herbal tea. The plants are harvested when in full bloom. Catnip is a common weed in North America and Europe. See also Mint .
