Summary: Hypericum perforatum (Common St. Johnswort) is a plant in the Clusiaceae family. Verdica documents 45 traditional uses, 287 phytochemical compounds, and 69 herb-drug interactions for this species.
Hypericum perforatum, St. John's Wort is occasionally used as a tea substitute, and both the herb and fruit are suitable for brewing. The plant's flowers are used to make mead, an alcoholic beverage made from fermenting honey. St. John's Wort has been a well-known herbal remedy for centuries, valued for treating nervous disorders and depression. Although it fell out of favour in the 19th century, recent studies have shown its efficacy in treating mild to moderate depression, with about 67% of patients showing improvement in clinical trials. The flowers and leaves possess a wide range of therapeutic properties, including analgesic, antiseptic, antispasmodic, aromatic, astringent, digestive, diuretic, and soothing. They are used to treat ailments like pulmonary complaints, bladder issues, diarrhoea, and nervous depression. The plant's versatile medicinal properties make it a valuable addition to herbal medicine. St. John's Wort thrives in well-drained soils and tolerates dry conditions. It grows well in both full sun and semi-shade and produces more flowers when positioned in a sunny spot. The plant also attracts beneficial insects, enhancing the garden's ecosystem. The native range of St. John's Wort includes Europe to China and Northwest Africa, covering areas like Albania, Austria, Belgium, France, Germany, Greece, Italy, Spain, and the United Kingdom. Its adaptability has led to its introduction in many parts of the world, including North America (e.g. California, Oregon, Texas, and New York), South America, and Australia. Harvesting: Flowering tops are in mid-summer when the flowers are in full bloom.
| Sunlight | Full sun |
| Watering | Moderate — keep soil moist |
| Soil | Well-drained |
| Hardiness Zone | USDA 3-10 |
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