List of Poisonous Plants

Important: If someone has been exposed to a potentially harmful plant, or you have additional questions, please call your poison control center at 800-222-1222.

Disclaimer: The information on this website is not intended to be comprehensive. It is a compilation of the plants most frequently encountered by the Utah Poison Control Center (UPCC). The UPCC staff have tried to provide the most accurate information possible, however, we do not claim that this website is error-free.

This project is supported by funds received through grant # H4B HS 00 008 awarded by the Department of Health and Human Services, Health Resources and Services Administration. Its contents are solely the responsibility of the authors and do not necessarily represent the official views of the Health Resources and Services Administration, Division of Healthcare Preparedness, Healthcare Systems Bureau.

Thumbnail	Common Name (Scientific Name)	Type	Description
	Baneberry (Actaea rubra)	Native	These plants grow at higher elevations (8000 feet) in cool, wet places. Grows 3 or 4 feet tall, has a thick stem and thick underground root, large featherlike leaves with a hairy underside. Poisonous parts: all parts, especially root stock and sap.
	Calla Lily (Zantedeschia species)	Houseplant	Leaves shaped like arrow heads that may grow to 18 inches long and 10 inches wide. Leaves are glossy green. Stems are longer than the actual leaves. Spathe-shaped white flowers. Berry is not often seen.
	Castor Bean (Ricinus communis)	Cultivated	Usually grown as an annual. May grow 6-15 feet tall. Leaves alternate and may be up to 3 feet in diameter. Leaves are lobed and have 5-11 points.
	Common Oleander (Nerium oleander)	Cultivated	Evergreen shrub up to 20 feet tall. Leaves are leathery, dark green, long and narrow to 10 inches with pointed tip.
	Cotoneaster (Cotoneaster species)	Cultivated	May be ground cover to small upright shrub to very tall graceful shrubs (25 feet). Flowers are white or pinkish and bloom in spring. They resemble tiny single roses. Berries may be red or orange-red.
	Daffodil (Narcissus species)	Cultivated	Common garden plant grown from bulbs usually with straight, flat leaves and white or yellow flowers.
	Deadly Nightshade (Solanum Dulcamara)	Native	Vine-like plant that may grow as high as 6 feet.
	Death Camus (Zigadenus species)	Native	Perennial herb with narrow, grass-like leaves. Yellow or whitish-green flowers form at top of central stalk. Bulbs often mistaken for onion but lack the characteristic onion odor.
	Donkey's tail, creeping spurge, myrtle spurge (Euphorbia myrsinites)	Native	Grows wild in foothill areas in northeastern Utah, also cultivated in rock gardens. Blue-green diamond-shaped fleshy leaves in close spiral arrangement, end with a tooth-like tip.
	Dumb Cane (Dieffenbachia species)	Houseplant	House plant that has large leaves up to 20 inches. The plant may reach 2 feet in width. It is generally taller than it is wide. Leaves are dark green to yellow green with variegations in white or pale cream.