Alliums, AKA 'ornamental onions' add colour, structure and a touch of the fabulous to your garden. Architecturally impressive seed heads come in dazzling colours and fantastic styles, growing alliums is easy, and addictive. Perfect star-shaped flowers explode from a central point creating balls of purple, pink, white or green that seemingly float above the borders on single stems. Prepare to get hooked to alliums, they will grace your garden with colour, structure and interest from spring through to autumn. Plant in the autumn, sit back and enjoy.