The basic structure of plants is the subject of CANNA Research. The Grow It Yourself chapter is all about learning how to grow your own garlic chives. Don and Nicky take you along from indoor garden to tropical paradise. Learn about roof gardening in this editions What's Happening! The Pests and Diseases chapter informs you about fungus gnats. And don't miss the Grower's Tip which explains plant physiology and plentiful yields.