Jacobaea vulgaris, synonym Senecio jacobaea, [2] is a very common wild flower in the family Asteraceae that is native to northern Eurasia, usually in dry, open places, and has also been widely …

Ragwort is the foodplant of the black-and-red cinnabar moth: sometimes its black-and yellow-barred caterpillars cover the plant, totally stripping the leaves. Common ragwort is a biennial, flowering in its …

Jul 2, 2025 · Discover the unique characteristics, uses, and risks associated with ragwort species, including its medicinal properties, insect repellent effects, and potential toxicity to livestock. Learn …

Nov 6, 2025 · Learn about ragwort, its benefits for pollinators, and how to manage this toxic plant in gardens and paddocks.

Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.

Jun 30, 2025 · Learn what ragwort is, where it can be found, benefits and the dangers associated with it in our expert ragwort guide. What is ragwort? Ragwort is a tall plant that grows to 90cm high and …

Apr 13, 2025 · Ragwort, also known as Jacobaea vulgaris, is a common wildflower found in many parts of the world. It often grows in fields, along roadsides, and in disturbed areas. Despite its bright yellow …

2 days ago · Ragwort, known scientifically as Jacobaea vulgaris, is a widespread plant. Accurate identification is paramount because all parts of this species contain highly toxic pyrrolizidine …

Ragwort is a biennial or perennial herb, reproducing from crowns, roots and seeds. Ragwort produces single or several stems that are erect and usually 45 to 60cm (up to 1.8m) high. They are rigid, …

Ragwort is a yellow-flowering weed that’s toxic to cattle, deer, and horses—causing liver damage, skin inflammation, and weight loss. It forms dense patches that reduce pasture and invade riverbeds, …