what is ragwort weed
Ragwort (Senecio jacobaea) is a poisonous weed native to the UK and can be found growing in areas of low fertility soils such as grasslands, roadsides, railways and rubbish tips.Please note, it is different from Oxford Ragwort (Senecio squalidus) that is a non-native species.agwort (Senecio jacobaea) is a poisonous weed native to the UK and can be found growing in areas of low fertility soils such as grasslands, roadsides, railways and rubbish tips.