Galtonia is genus of plants in the family Hyacinthaceae; native to South Africa they are named after Sir Francis Galton. Galtonia candicans, also known as Cape Hyacinth, is much propagated as a garden plant. Another species is the pale green flowering Galtonia viridiflora.

Galtonia viridiflora is a summer growing species that grows to 1 meter tall. During summer it bears long lasting yellowish-green flowers. This species can be planted in full sun or shade but will flower best in full to part sun.