![Gardens Illustrated Magazine show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/033/333/small/bbc-gardens-illustrated-magazine.jpg)
Summary: This month we've a tour of the latest attraction at the Royal Botanic Gardens Kew, with head of arboriculture Tony Kirkham introducing the exciting new Rhizotron and Xstrata Treetop Walkway. We also talk to salad-growing expert Charles Dowding about his new book Salad Leaves for All Seasons.