Botanical Name: Allium giganteum AL-ee-um jy-GAN-tee-um Common Name: Ornamental onion Genus: Allium. In summer, this plant bears large rounded flower heads up to 4 inches across with a multitud

Getting to Know the Allium Flower From the family of onions, the allium flower was incorrectly grouped with the lily family. This was a mistake, of botanical proportions! Botanists recently have tr

Alliums, also known as ornamental onions, are the jewels in your garden crown. By John Hiorns12:04PM BST 01 Jul 2011Comment Add jewel tones to your early summer borders with these alliums (also kn