How to Grow Allium
Ornamental onions, Alliums, are perennial bulbs that bear gloves of small purple flowers held aloft on sturdy stems in early summer. Flowers are followed by decorative buff-colored seedheads. Strap-shaped leaves fade as the flowers appear—which may detract from the flowers. Allium is a genus of strong-smelling bulbous herbs of the Lily family (including onions, leeks,…
