Allium 'Gladiator' is one of the most impressive ornamental onions you can grow, producing massive globe-shaped flower heads packed with hundreds of starry violet-purple blooms. Towering on strong stems that can reach up to 4 feet tall, these eye-catching flowers create a dramatic focal point in borders, cottage gardens, and perennial plantings. Blooming in late spring to early summer, Gladiator Allium adds height, structure, and long-lasting color to the landscape. Its nectar-rich flowers attract bees, butterflies, and other pollinators, while deer and rabbits typically leave it alone.
The blooms are excellent for fresh-cut arrangements, and the ornamental seed heads continue to provide interest long after flowering has finished. Easy to grow and low maintenance, Gladiator Allium performs best in full sun and well-drained soil. Plant in groups for a breathtaking display of oversized purple blooms that return year after year, bringing bold beauty and elegance to the garden.
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