Allium 'White Giant' (Ornamental Onion)

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Huge, towering white spheres are 6-8" across atop 3-4' scapes. Unlike other giant Allium, the strappy foliage remains through the flowering period. Plant in groups or mix with purp le Alliums. As with all Alliums, plant in full sun and well-drained soil. Plant 18" apart. Sunlight Requirements: Full Sun USDA Hardiness Zones: 4-9 Show more