Allium 'Serendipity' aka Ornamental onion is a beautiful, impressive perennial that blooms purple globe-like flowers. Ornamental onion matures at 20 in. tall and 15 in. W and it attracts bees and butterflies to the garden! Allium is a cute perennial to plant for rock garden, flowering beds, containers and hedges. It is also deer resistant. Flowers are so pretty, they can be cut to use for vases or floral arrangements. Order yours today from BELL NURSERY collection.