Beautiful trees and the UK landscape go hand-in-hand, but did you know that many of our beloved trees are under threat, becoming ravaged by pests and diseases? As part of National Plant Health Week, here, Gardeners’ World presenter Adam Frost chats to former Head of Arboretum at Royal Botanic Gardens Kew, Tony Kirkham, and Head Forester for the Duchy of Cornwall, Geraint Richards, about the state of our nation’s trees.Delving into which UK trees are currently under threat, from the caterpillar attacking popular parkland horse chestnuts, to ash dieback and acute oak decline, just how bad is it? Are we gardeners on the front line and more importantly, what, if anything, can we do to steer some of our most important native trees away from a possible point of extinction?Whether ancient specimens in native woodlands, or prize examples in our parks and gardens, trees have always been adored and celebrated by gardeners and nature lovers alike. So, listen now, as Adam, Tony and Geraint explain why we need to start taking tree health seriously and how to ensure we don’t see some of them disappearing from our treescapes entirely.Plus, advice on what you should be planting into your garden, what to look for when buying a tree, how to spot a healthy one and best gardening hygiene practice for tackling biosecurity. See acast.com/privacy for privacy and opt-out information.