Ikebana a piece's color combinations, natural shapes, graceful lines, and the implied meaning of the arrangement. Another common but not exclusive aspect present in "ikebana" is its employment of minimalism. Some arrangements may consist of only a minimal number of blooms interspersed among stalks and leaves. The structure of some Japanese flower arrangements is based on a scalene triangle delineated by three main points, usually twigs, considered in some schools to symbolize heaven, human, and earth, or sun, moon, and earth. Use of these terms is limited to certain schools and is not customary in more traditional schools. A notable exception
Montreal Botanical Garden and Ikebana are occasionally demonstrated there as well. It also includes a large koi pond; visitors often feed the koi. The garden hosts an annual Hiroshima memorial ceremony on the 5th of August, with the hourly ringing of a Japanese Peace Bell made in Hiroshima. The First Nations Garden was opened in 2001 to honour and present the cultures of the indigenous population of Canada. Species endemic to Quebec and other North American regions are kept in the garden; the maple, birch, and pine trees shade its paths, and the garden brings into focus the medicinal and food plants of