Tony Hall is Senior Arboretum and Gardens Manager at the Royal Botanic Gardens, Kew, where he has worked for more than 20 years helping to maintain Kew's world-renowned collection of over 14,000 trees. He is the author of The Immortal Yew (Kew Publishing, 2018), Gardening with Drought-Friendly Plants (Kew Publishing, 2020), and Wild Plants of Southern Spain (Kew Publishing, 2017).