Japanese Pond Lily Nuphar japonica

Japanese Pond Lily
Nuphar japonica

A perennial that has two distinct leaf shapes. Narrow oval leaves 40cm (16") long and 12cm (5") wide that lie on the suface and submerged, heart shaped, wavy leaves 30cm (12") long and 12cm (5") wide. The flowers are round 5cm (2") across, yellow and held just above the surface in summer.
It is more tolerant of deeper water and shade than most other water lilies, however it does need more sun for the best flower production, as opposed to it's more vigorous relatives Nuphar advena (American Spatterdock) and N. lutea (Common Pond Lily)

Spread 90cm (3ft)
Water depth 30cm (1ft)
Hardy
Full sun
Propogation division in spring