Join Alan Titchmarsh as he takes us on a tour of The King's private garden. Find out how they make the organic garden look beautiful all year round, from BBC Gardeners' World Magazine
Clare Foster meets Dr John Grimshaw, director of The Yorkshire Arboretum and custodian of the world’s largest online resource on tree species, who suggests we all turn over a new leaf when it comes to planting and trying to offset our carbon footprint