Visitors are strictly prohibited from smelling, touching, or tasting any plants.” Dean Smith, the guide of the garden, spoke to BBC: “Probably the most poisonous plant we actually have here is ...

Arizona has around 300 kinds of plants that can be toxic or even fatal if you or your dog eat or touch them. Here's where to ...

Hemlock water-dropwort is a leafy plant that grows inland near rivers and is the most poisonous plant native to the UK although its roots are believed to be the most toxic part It can be lethal if ...

Hemlock water dropwort (Oenanthe Crocta) - AKA 'dead man's fingers' - is notoriously one of the most poisonous plants in the UK which is often found near waste ground, riverbanks and ditches.