Water Hemlock (Cicuta spp.) is one of North America's most toxic plants; even a small bite can cause seizures, organ failure, and death.
Foxglove (Digitalis purpurea) is highly toxic; even small amounts can cause heart failure, making it potentially lethal if ingested.
White Snakeroot (Ageratina altissima) White Snakeroot contains a toxic substance called tremetol, which can cause serious illness or death if ingested by humans or animals.
Oleander is extremely toxic; ingesting any part can cause severe poisoning or even death. Keep away from children and pets.
Angel’s Trumpet contains toxic compounds that can cause severe hallucinations, confusion, and even death if ingested. Keep away from children.
Castor Bean (Ricinus communis)
Castor Bean seeds are highly toxic; even a few can cause severe poisoning or death due to ricin, a potent toxin. Handle with care.
Hemlock is highly toxic; even small amounts can cause respiratory failure and death. All parts of the plant are extremely poisonous.
Imsonweed (Datura stramonium) is toxic and can cause severe hallucinations, delirium, and even death. Handle with care and keep away from kids.
Hemlock (Conium maculatum) is highly toxic. Even small amounts can cause respiratory failure and death. Handle with extreme caution.