The best recognised of water plants and for good reason33 the blue goblet shaped buds open to reveal glamorous star shaped flowers with golden anthers this elegant half hardy variety is so compact it is even suitable for growing in containers on patios and balconies spread 100 cm 40393441 buy a pack of two and get two 25cm 4010 41 plastic terracotta45coloured containers free culinary information the young leaves and unopened flower buds can be boiled and served as