Height: 23cm (9in)
Water depth: up to 60cm (2ft)
With its delicate, feathery, bright green, submerged foliage, Hottonia palustris is a beautiful plant for shallow water, and one of the few oxygenators to produce attractive.
Whorls of pale lavender or white flowers appear in clusters in early summer at the end of 21cm (9in) flowerstalks. The foliage dies hack in autumn and the plant overwinters as dormant buds.
Water violet needs soft, still water.
It can be difficult to establish in new.
Propagation: Takein summer.
Pests and diseases: Trouble free.