Most Dangerous Plants Hemlock: This plant belongs to the parsley family and also it expands to a height of 2 to 6 ft.
Most Poisonous Plants Rosary Pea: This is a perennial plant that usually twins around trees to an elevation of 20 ft.
Most Poisonous Plants Aconite: These are dark-blue blossoms with straight and high stems.
Most Poisonous Plants Oleander: This is a Phanerophyte bush that with a stem that matures to 13 ft.
Most Dangerous Plants Chinaberry: The Chinaberry stems from tropical Asia. The plant matures to 60 ft.
Most Poisonous Plants Wisteria: These are stunning looking purple blossoms that originate from Japan, some parts of USA.
Most Poisonous Plants Lucky Nut: This is an attractive evergreen plant that originates from tropical America.
Most Poisonous Plants European Yew: This is just one of the oldest trees in Europe.