The next time you venture out to the nursery for ornamentals to plant in your garden, pay attention to more than just their cultural requirements. It's essential to double-check they aren't considered ...

Avoid these six invasive trees that harm native ecosystems and create long-term problems in Southern yards. Learn what not to plant—and what to grow instead.

Invasive species cost the North American economy $26 billion a year. By outcompeting local plants or animals, invaders reduce biodiversity and can make entire regions less resilient in the face of ...

Experts want to combat new species of plants that are moving around within the United States, and coming from around the world, before they get a foothold. By Margaret Roach When it comes to invasive ...

Q. What makes a plant invasive, and why are they considered harmful? Whenever we hear about invasive species, we usually think about pest insects or arthropods such as Argentine ants or fruit flies.

Invasive plants are no joke! Many of having invasive plants growing in our yards and in our gardens. But what makes an ...

Once thought resistant to invasion, California's deserts are losing native plants to aggressive weedy species like Saharan mustard. New research shows its spread is disrupting biodiversity and ...

Poison oak poses rising risk as heat and CO2 boost its spread and toxicity. Poodle-dog bush causes severe skin rashes; avoid areas recovering from fire. Common yard plants like lilies and tulips can ...

A fast-spreading invasive species has been spotted in a pair of prominent Southern California lakes, raising grave concerns for the state’s ability to keep the tiny creature at bay. Last fall, the ...