The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Hyoscyamus aureus is a Biennial/Perennial up to 0.60 metres tall.
It is harvested from the wild for local use as a medicine..
All parts of the plant are very toxic[
]. Symptoms of poisoning include impaired vision, convulsions, coma and death from heart or respiratory failure[
S. Europe to W. Asia.
Cliffs, old walls and ruins to 1200 metres[
Prefers a hot dry position[
] in a wall or rock crevice[
]. Succeeds in a well-drained fertile soil, preferably of an alkaline nature, in full sun[
]. Grows well in maritime areas[
Plants are possibly hardy to about -10°c[
], they are unlikely to succeed in the colder areas of Britain.
Self-sows freely, it can be grown in wild informal areas of the garden[
The whole plant is analgesic[
]. Caution is advised, see notes above on toxicity.
Seed - best sown as soon as it is ripe, older seed rapidly loses viability[
]. Either sow in situ or pot up the seedlings whilst still small because plants produce a long taproot and older plants resent root disturbance[