Common ragwort Senecio jacobaea


Best time to see: mid Jun to mid Oct

Key facts

A widespread yellow daisy that causes problems in pasture and hay meadows because it is poisonous to livestock

Food plant for the yellow-and-black caterpillars of the cinnabar moth, which uses the plant's poison for its own defence

  • Main photo
  • with cinnabars

Photo © Pat Allen

Photo © Tony Gunton