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Allium 'Ambassador' | New magnificent form of giant Allium. A slightly later flower period and a longer one from end of May right through to early July. Adds real drama into the border. The leaves will (as all Alliums) brown as the flowers appear so best mid border. Height 1m. Good for bees & butterflies. This is the variety that we used in our RHS Chelsea Flower Show display in 2023.