Botany - grow your knowledge with us.
Garden plant () in the pink family, grown for its clusters of small, brightly coloured flowers. It usually grows as a biennial, with seed sown the first year producing spring-flowering plants the second year. The plants grow about 2 ft (60 cm) high and produce numerous flowers with fringed petals in white, pink, or rose to violet, sometimes also bicoloured.
Find more information on sweet William. Upgrade to Britannica Online for more on sweet William.