Amaryllis belladonna The bulbs are best planted just below the surface of the soil, with the neck of the bulb level with the surface. In colder climates mulching or lifting and overwintering is required. The bulbs may be propagated from offsets. Amaryllis bulbs require little watering and are drought tolerant. Amaryllis belladonna Amaryllis belladonna, (Jersey lily, belladonna-lily, naked-lady-lily, March lily) is a plant species native to Cape Province in South Africa but widely cultivated as an ornamental. It is reportedly naturalized in many places: Corsica, Portugal, the Azores, Madeira, the Canary Islands, Zaire, Ascension Island, Australia, New Zealand, Mexico, Cuba, Haiti, the
Atropa belladonna probably, from its usage to increase the pupil size in women. Belladonna is one of the most toxic plants found in the Eastern Hemisphere, and its use by mouth increases risk in numerous clinical conditions, such as complications of pregnancy, cardiovascular diseases, gastrointestinal disorders, and psychiatric disorders, among others. All parts of the plant contain tropane alkaloids. Roots have up to 1.3%, leaves 1.2%, stalks 0.65%, flowers 0.6%, ripe berries 0.7%, and seeds 0.4% tropane alkaloids; leaves reach maximal alkaloid content when the plant is budding and flowering, roots are most poisonous in the end of the plant’s vegetation period.