Nuphar japonica Nuphar japonica commonly name known as Cow Lily or Japanese Lilies. It is an aquatic plant species in the genus Nuphar found in Japan and Korea. Nutrient rich substrate will encourage larger plant growth with waxy, arrow shaped leaves that rarely form floating leaves in the aquarium. When the plant flowers, it will produce small with yellow blooms.  Nuphar japonica Description pH range: 5.5-7.3 Temperature range: 18-26 C Water hardness: Soft- medium Propagation:: From Read more