Winchester Public School kindergarteners Kaan Ronan Kaplangul, 6, Dordjie Radusinovic, 5 and teacher candidate Nathalie Collin look through the school's garden in Toronto May 4, 2012. (Deborah Baic/Deborah Baic/The Globe and Mail)
Winchester Public School kindergartener Emma Syme, 5, searches through the school's garden in search of items that help a garden grow. (Deborah Baic/Deborah Baic/The Globe and Mail)
Winchester Public School kindergarteners Emma Syme, 5, Nisha Kulkarni, 5, and Lily Stewart-Ward, 6 look through the school's garden. (Deborah Baic/Deborah Baic/The Globe and Mail)
Winchester Public School kindergarteners Emma Syme, 5, Kaan Ronan Kaplangul, 6, and Jackson Cook, 5, look at items they've collected in the garden. (Deborah Baic/Deborah Baic/The Globe and Mail)
Winchester Public School kindergarteners Dordjie Radusinovic, 5, Nisha Kulkarni, 5, and Emma Syme, 5, look through the school's garden. (Deborah Baic/Deborah Baic/The Globe and Mail)
Winchester Public School kindergarteners Emma Syme, 5, and Nisha Kulkarni, 5, look at a snail found in the school's garden. (Deborah Baic/Deborah Baic/The Globe and Mail)
Winchester Public School senior kindergarten teacher Nathalie Collin and students, Niya Ibrahim, 5 and Emalia Derricott look over the items found in the school's garden. (Deborah Baic/Deborah Baic/The Globe and Mail)
Grade 12 student Henry Lau shovels chicken manure into a wheel barrel in the garden at Windermere Secondary School in Vancouver, B.C., May 2, 2012. (Rafal Gerszak/Rafal Gerszak/For The Globe and Mail)
Grade 11 student Kaitlyn Fung transplants rhubarb chard outside the greenhouse at Windermere Secondary School. (Rafal Gerszak/Rafal Gerszak/For The Globe and Mail)
Grade 11 student Nichoson Nguyen walks in circles to operate the industrial composter in the garden at Windermere Secondary School. (Rafal Gerszak/Rafal Gerszak/For The Globe and Mail)
Grade 12 student Kevin Liu waters plants in the greenhouse at Windermere Secondary School. (Rafal Gerszak/Rafal Gerszak/For The Globe and Mail)
Students turn in the cover crop in the garden at Windermere Secondary School. (Rafal Gerszak/Rafal Gerszak/For The Globe and Mail)