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Description
Lycopus Americanus, commonly known as American water horehound, is a perennial herbaceous plant that belongs to the family Lamiaceae. It is native to North America, where it is found in wetlands, marshes, and swamps. The plant has a square stem, which can grow up to 3 feet tall. The leaves are opposite, lanceolate, and toothed. The flowers are small, white or pink, and arranged in whorls along the stem. The plant blooms from July to September.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Lamiales |
| Family | Lamiaceae |
| Genus | Lycopus |
Appearance
American water horehound has a distinctive appearance. It has a square stem, which is green and often tinged with purple. The leaves are opposite, lanceolate, and toothed. They are dark green on the upper surface and lighter green on the lower surface. The flowers are small, white or pink, and arranged in whorls along the stem. The plant blooms from July to September. The fruit is a small, brown nutlet.
Care Guide
American water horehound is a hardy plant that requires little care. It prefers moist, well-drained soil and full sun to partial shade. The plant is tolerant of a wide range of soil types, but it grows best in soil that is rich in organic matter. Water the plant regularly, especially during dry periods. Fertilize the plant once a year with a balanced fertilizer. The plant is hardy in USDA zones 3 to 9.
Common Pests & Diseases
American water horehound is relatively resistant to pests and diseases. However, it can be affected by spider mites, aphids, and leafhoppers. These pests can be controlled with insecticidal soap or neem oil. The plant can also be affected by powdery mildew, which is a fungal disease. This disease can be prevented by providing good air circulation around the plant and avoiding overhead watering.
Habitat
American water horehound is native to North America, where it is found in wetlands, marshes, and swamps. It grows in areas with moist soil and full sun to partial shade. The plant can also be found in disturbed areas, such as along roadsides and in ditches.
Question and Answer
Q: Is American water horehound edible?
A: Yes, the leaves of the plant can be eaten raw or cooked. They have a slightly bitter taste and can be used in salads or as a cooked vegetable.
Q: What is the medicinal use of American water horehound?
A: American water horehound has been used in traditional medicine to treat a variety of ailments, including respiratory infections, coughs, and fever. It is also believed to have diuretic and sedative properties.
Q: Can American water horehound be grown indoors?
A: Yes, the plant can be grown indoors in a pot with moist soil and bright, indirect light.
Q: Is American water horehound a good plant for attracting wildlife?
A: Yes, the plant is a good source of nectar for bees and butterflies, and its seeds are eaten by birds.
Related Plants
- Lycopus europaeus
- Lycopus virginicus
- Lycopus asper
- Lycopus uniflorus
References
- “Lycopus Americanus.” Missouri Botanical Garden. http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=280307&isprofile=0&basic=lycopus%20americanus
- “American Water Horehound.” University of Wisconsin-Madison. https://wimastergardener.org/article/american-water-horehound-lycopus-americanus/
- “Lycopus Americanus.” Plants for a Future. https://pfaf.org/user/Plant.aspx?LatinName=Lycopus+americanus
