Yellow Water Lily | Nymphaea 'Colonel A.J. Welch'Canary yellow flowers approx 10cm across with prominent golden stamens. Over time, it can grow up to 3 metres and is classed as viviparous as it occasionally grows new plants from its leaf stems Long summer flowering period from June to September A hardy native plant, this is probably the most vigorous of the hardy water lilies The perfect size for medium to large ponds and lakes Floating plants provide shade and shelter for fish as well as protecting