Common St. JohnswortDistribution: Most of North America.
Habitat: Common St. Johnswort is a weed found in a variety of disturbed habitats such as fields, roadsides, and forest margins.
Flowering period: June to September.
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Properties: There are 400 species of St. Johnswort found throughout the world, it has been used as a medicinal for thousands of years, but has only recently been studied for its medicinal value. The flowers and leaves are medicinal as analgesic, antiseptic, antispasmodic, aromatic, astringent, cholagogue, digestive, diuretic, expectorant, nervine, resolvent, sedative, stimulant, vermifuge and vulnerary.
Folklore: There are many ancient superstitions regarding this plant, its name Hypericum is derived from the Greek and means 'over an apparition,' a reference to the belief that it smelled so obnoxious to evil spirits that a whiff of it would cause them to fly. The plant was given to have magical powers. In ancient Greece, the herb was used to treat many ailments, including sciatica and poisonous reptile bites.