Millenium Ornamental Onion (Allium 'Millenium') is a robust perennial plant valued for its striking, globe-shaped flower heads composed of numerous star-like blossoms. Typically reaching heights of 15 to 20 inches, it provides a prominent vertical element in garden beds, borders, and landscape designs. This cultivar is hardy in USDA zones 4 through 8, thriving in well-drained soil with full sun to partial shade conditions. Millenium Ornamental Onion blooms in mid to late summer, offering vibrant purple flowers that attract pollinators such as bees and butterflies. Its reliable growth habit and resistance to common pests and diseases make it a practical choice for commercial nurseries, landscapers, and garden centers seeking a dependable and visually appealing ornamental species.