
Black Henbane
NameBlack Henbane
Scientific NameHyoscyamus niger
Common NamesHenbane, Stinking Nightshade, Hog's Bean, Jupiter's Bean
Plant FamilySolanaceae
Natural HabitatNative to Eurasia, Black Henbane typically grows in disturbed soils, waste places, roadsides, and old fields, often preferring calcareous soils. It can also be found as an introduced weed in other temperate regions.
Parts Usedleaf,seed,whole_plant
Medicinal Actionsanalgesic,sedative
Traditional UsesHistorically, Black Henbane was used as a potent sedative and analgesic for severe pain, insomnia, and nervous conditions, often in carefully controlled, minute doses. It was also applied externally as a poultice or salve for rheumatic pain, neuralgia, and toothache. Due to its extreme toxicity and narrow therapeutic window, its internal use is now considered highly dangerous and is obsolete in modern herbal medicine.
Active ConstituentsHyoscyamine, Scopolamine, Atropine
Preparation Methodstincture,poultice,powder,salve
Contraindications & WarningsEXTREMELY TOXIC. Not for internal use by untrained individuals. Contraindicated in glaucoma, prostate enlargement, heart conditions, pregnancy, breastfeeding, and in conjunction with other anticholinergic drugs. Can cause delirium, hallucinations, coma, and death. All parts of the plant are poisonous.
Cultivation NotesPrefers full sun to partial shade and well-drained, fertile soil. Can be grown from seed. Handle with gloves due to skin irritation and toxicity. Self-seeds readily in suitable conditions.
Raritycommon
Description
Black Henbane is a biennial or annual herb characterized by its sticky, hairy foliage and distinctive pale yellow to greenish-purple, bell-shaped flowers. These flowers feature prominent dark purple veins and a dark purple throat, often arranged in a one-sided spike. All parts of the plant are highly toxic.





