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17 plants that could kill you

By: Bryan Nelson on April 6, 2017, 10:59 a.m.

Photo: Bernd Haynold/Wikimedia Commons

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Monkshood has a long tradition as a deadly plant and was used by ancient warriors to poison the water of their enemies. It was also once used as a popular werewolf-detection tool. The flower was held near the alleged wolf’s chin, and if a yellow-tinged shadow appeared, that was confirmation that the person was a werewolf.

In 2015, a gardener died of multiple organ failure after brushing past this deadly purple flowering plant on the estate where he was working in the U.K.