Giant hogweed (Heracleum mantegazzianum) also known as giant cow parsley, hogsbane, or cartwheel-flower, is a plant in the carrot family. People who touch its sap may develop giant hogweed burns ...

with a delicate “umbrella-like” white flower on the top, that can look very similar to cow parsley. Hemlock has a distinctly unpleasant musty smell if the plant has been damaged. What are the ...

Weeds such as wild carrot, cow parsley and celery grow at least 350 seeds on a single flower-head. Wild clematis grows climbing, sprawling stems up to 30m long (100ft) - that's about 20 people ...

The woodland floor is carpeted with bluebells and wild garlic, the meadow with cowslips and the frothy heads of cow parsley ... Any surplus plants will go to parks across Leeds.