HOREHOUND (Marrubium vulgare)

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HOREHOUND (Marrubium vulgare)

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Horehound is commonly used to make a soothing candy or tea for coughs and colds. The dried branches can be used in floral arrangements.

This is a spreading perennial, growing no more than 2 feet tall. The leaves and stems are wrinkled, grayish green, and covered with downy white hair. Horehound reseeds itself and becomes a pesky weed. Small white flowers appear along the stems in summer, but only after the plants are 2 years old.

Sow the seed 1/2 inch deep in a sunny, poor, sandy, dry soil; however, the plants will tolerate a moist situation. When the seedlings are 5 inches tall, thing them to 12 inches apart. Harvest by cutting back the plants to 3 inches above the ground. Divide mature plants every 2 or 3 years, and set 20 inches apart.

SOURCE: James C. Schmidt Department of Horticulture Michigan State University

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