poisonous garden at alnwick castle in the county of northumberland
The Alnwick Garden A garden featuring intoxicating and poisonous plants was added in February 2005. Species of the Poison Garden include Strychnos nux-vomica (source of strychnine), hemlock, Ricinus communis (source of harmless castor oil but also deadly ricin), foxglove, Atropa belladonna (commonly called Deadly Nightshade), Brugmansia and Laburnum.[3] The mission of the Poison Garden also includes drug education, with featured plantings of cannabis, coca and the opium poppy Papaver somniferum.[4]