Garden Q&A: How to tackle the giant issue of hogweed plants

Ensure you know the toxicity level of all the plants in your garden in case they are touched or ingested by children or animals

We have a lot to thank the Victorians for. Introducing Heracleum mantegazzianum or giant hogweed to our countryside from their ornamental gardens is not one of them. 

Enormous at between three and five metres high, it's quite a lovely looking perennial with notched leaves and large clusters of creamy white blossoms.