|Roadsides and waste ground.
Pollination is by a wide range of bees, flies, moths and butterflies.
0.3 - 2.0 metres
Ragwort contains many different alkaloids, making it poisonous to animals. It is best known as the food of caterpillars of the Cinnabar moth Tyria Jacobaeae. They absorb alkaloids from the plant and become distasteful to predators.