Poison ivy – its scientific name is Toxicodendron radicans – and its close relatives poison oak and poison sumac contain an ...

Here are the most toxic plants you shouldn’t have around your kids or pets, including potted plants, shrubs, and weeds that are dangerous to people and animals ...

These 6 beautiful yet deadly plants can kill with a single touch. Learn about the most poisonous plants in the world and why ...

The Columbia Basin has become home to a variety of invasive plant species, with the most notorious being noxious weeds.

Two highly toxic plants grow abundantly in Central Washington and can cause serious illness or death through skin contact, inhalation or ingestion. T County Noxious Weed Board urges the ...

One such massive, noxious weed may be growing in your yard, waiting to burn you if you try to remove it too quickly. Heracleum mantegazzianum, better known as giant hogweed, has been present in the ...

Among these unwanted plants are perennial plants that have toxic components. Gardeners and others who spend time in the great outdoors should be aware of these because of their poisonous qualities.

Poison oak is another noxious plant fond of dry areas. Hall said that, of the common Florida poisonous plants, poison sumac is the one least likely to be casually encountered.