This document, concerning the 4-H horticulture project, includes a leader's guide and three youth activity guides. The leader's guide can be used to plan group project meetings that are both fun and educational. Activities can be adapted to various age groups. The leader's guide includes basic information for growing plants indoors and outdoors, answers to some of the activities in the three youth activity guides, and a list of valuable resources to help guide youth in their horticulture project experience. The three youth activity guides are designed to give young people a wide variety of horticultural experiences. They emphasize life skills rather than specific horticultural information. Different sections in each book focus on a particular life skill and provide activities that allow youth to practice that skill. Examples of life skills encouraged by the activities are: learning to learn; planning and organizing; making decisions; and communicating with others. Unit 1,"Budding Gardeners," covers growing edible sprouts and vegetables, planting flowers, pollination, garden design, and flower arrangement. Unit 2, "Branching Out," includes activities on hydroponics, air layering, transplanting, controlling pests, testing soil, and using mulches. Unit 3, "Digging Deeper," gives opportunities to develop leadership skills, organizational abilities, and presentation skills through such activities as conducting a gardening workshop, instructing younger members, arranging a tour, producing a video, giving a public presentation, or hosting a debate. (CCM)