Greenhouse Calliandra haematocephela in the Main Exhibition Greenhouse Photo: Jardin botanique de Montréal (Gilles Murray) Main Exhibition Greenhouse decorated for the Great Pumpkin Ball Photo: Jardin botanique de Montréal (Lise Servant) Rediscover the exhibition of pumpkins decorated by members of the public Photo: Jardin botanique de Montréal (Claude Lafond) Butterflies Go Free at the Main Exhibition Greenhouse Photo: Jardin botanique de Montréal (Lise Servant) Butterflies Go Free at the Main Exhibition Greenhouse Photo: Claude Lafond Butterflies Go Free 2013 (Idea leucone) Photo: Espace pour la vie (André Sarrazin) Scarlet eggplant (Solanum aethiopicum) Photo: Jardin botanique de Montréal (Pascale Maynard) OngletsDescriptionThe vast, two-tiered Main Exhibition Greenhouse features a babbling waterfall. The floral decor in the Main Exhibition Greenhouse is changed at various times throughout the year to offer visitors seasonal shows. The Main Exhibition Greenhouse is located at the western end of the Jardin botanique Exhibition Greenhouses complex. Area648 m²TemperatureThe temperature in the greenhouse is adjusted to meet the needs of the plants on display in each season. Map Shade garden Flowery Brook and Lilacs Frédéric Back Tree Pavilion Aquatic Garden Reception Gardens Peace Garden Courtyard of the Senses Chinese Garden Youth Gardens Alpine Garden Japanese Garden Leslie Hancock Garden Shrub Garden Toxic plantsMedicinal plantsMonastery GardenQuébec Corner Garden of Innovations Food Garden Perennial Garden Arboretum Rose Garden First Nations Garden HistoryHistoryBuilt between 1984 and 1986, the Great Greenhouse has hosted flower exhibitions since 1986. For many years, the Butterflies Go Free event was held there.