
(Marrubium vulgare)
White horehound, Horehound, Common horehound
Marrubium vulgare is a perennial herbaceous plant that belongs to the mint family. It has a strong fragrance and a bitter taste, and it is commonly used in traditional medicine.
24-36 inches (60-90 cm)
Marrubium vulgare prefers full sun but can tolerate partial shade.
It can grow in moderate to low humidity environments.
It does not require much fertilizer. A balanced fertilizer can be applied once a month during the growing season.
It benefits from regular pruning to promote bushier growth and prevent legginess.
Marrubium vulgare is generally pest-resistant, but it can be affected by spider mites and aphids.
12-18 inches (30-45 cm)
It requires moderate watering and well-drained soil.
It can tolerate a wide range of temperatures, from 20°F (-6°C) to 100°F (38°C).
It grows best during the spring and summer months.
Marrubium vulgare is relatively easy to grow and maintain.
Marrubium vulgare is hardy in USDA zones 3-8.
The name 'horehound' comes from the Old English words 'har' (meaning 'hoary' or 'hairy') and 'hune' (meaning 'honey'), referring to the plant's hairy leaves and the sweet taste of its leaves and flowers.