One of the world’s most famous poisonous plants, hemlock is a serious concern in the UK. To help you avoid it, we’ve put together this guide on how to identify it.

In the fight to control Japanese knotweed, scientists have discovered a new method: Aphalara itadori, a tiny jumping insect from Japan that eats the invasive plant.

SHORT ANSWER: Yes, you must declare Japanese knotweed when selling a house. Failure to do so can result in legal action from the buyer.