Made up of 25 species of perennial aquatic herbs with creeping
rhizomes, these pond lilies from the temperate northern hemisphere
have large, floating and submerged leaves. The flowers, usually in
yellow or green tones, are held on stalks above the water surface.
Flowering colors: Brown, Green, Orange, Purple, Yellow
Cultivation: Their requirements are very similar to the hardy
species of Nymphaea with the additional benefit that they will
flower in shade and some are suited to being planted in slow-moving
They prefer to be planted in pots of rich soil and carefully
submerged to around 24 in (60 cm) deep, depending on the species.
Propagation is by division .