Alan Titchmarsh tackles pests, diseases, and other gardening problems In this definitive guide, Alan Titchmarsh addresses key problem areas and provides easy-to-follow guidance on how to protect precious plants. Encouraging gardeners to create healthy ecosystems, he talks through the techniques to deal with harmful pests, weeds, diseases, and disorders and suggests preventative measures to ensure happy, disease-resistant plants. Included are a color-illustrated directory of pests and problems, guidance on selecting the right plants for the right conditions, advice on chemical versus nonchemical treatments, and instructions for tackling problems in lawns and borders.