Foreword / by David Sobel -- Introduction : garden-based learning for a changing world -- The origins and benefits of school gardening -- What learning looks like in the garden : making connections across subjects and grade levels -- Barriers to integrating gardens in schools -- Five models for garden-based learning -- Lessons for districtwide garden programs -- Policy and the future of garden-based learning -- Ripe for change : three things educators can do and three lessons they can apply -- Appendix A. Sample teacher usage surveys -- Appendix B. Cambridge Public Schools curriculum connections -- Appendix C. OSSE school garden assessment template.