Allium 'Globemaster' (Ornamental Onion)

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Truly eye-catching objects in a spring border, the huge spheres of 'Globemaster' are formed by clusters of star-shaped lavender-purple flowers. Each globe is 8" in diameter and sit s atop a 3-4' upright stem. Strappy basal foliage is replaced by the tall flowering stems in mid-spring. Plant amongst perennials such as Geraniums, Iris or Peonies or as a companion to Roses. Plant in well-drained soil. Plant 18" apart. Sunlight Requirements: Full Sun USDA Hardiness Zones: 5-8 Show more