This is a list of plants containing poisonous parts that pose a serious risk of illness, injury, or death to humans.

Poisonous food plants

• potato (all parts contain the glycoalkaloid solanine)
• tomato (foliage and vines contain alkaloid poisons)
• rhubarb (leaves contain oxalic acid salts)

Poisonous garden plants

• privet (possibly fatal to humans, berries contain ligustrin and syringin )

Poisonous ornamental plants

Poisonous wild plants