Gladiolus tristis is a species of gladiolus known by several common names, including ever-flowering gladiolus and marsh Afrikaner. It is native to southern Africa, especially South Africa. It is known in parts of Australia and coastal California as an introduced species. It is sometimes grown as a garden plant. This gladiolus typically grows one half to one metre in height, but has been known to approach 1.5 metres tall. It grows from a corm one or...