Allium cristophii looks like a firework of tiny lavender pink flowers exploding in heads up to 15 inches wide!

Allium cyaneum forms clumps of violet blue, pendant shaped flowers above fine foliage in June and July.

Allium falcifolium has unique scythe-like leaves and magenta-red flower heads. Great for the front of the border.

Allium flavum has open flower heads like exploding bright yellow fireworks.

Allium giganteum has huge, tightly formed, round, softball-sized inflorescences comprised of small lilac purple florets on tall stems.

Allium hirtifolium var. album is a four foot tall species with spheres of white.

Allium 'Early Emperor' is an early-blooming, large-flowered ornamental onion that blooms with late tulips, late daffodils, camas, and bluebells.

Allium karataviense has huge six inch wide white and purple spheres atop broad, beautiful bluish-green foliage with purple undersides.

Allium karataviense 'Red Giant' is a large form with huge leaves and reddish purple flower heads up to 8 inches across!

Allium karataviense ssp. henrikki ('Red Globe') is a steroidal version of the species with huge leaves and reddish purple flower heads up to 8 inches across!

Allium karataviense 'White Giant' has broad, bluish-green leaves topped with large spheres of pure white florets.

Allium macranthum is a rare species of wet habitats with delicate, pendulous, bell-shaped, pink to purple-pink flowers in a loose cluster.

Allium maximowiczii is an ornamental onion that somewhat resembles a tall chives but with silver-blue leaves resembling blue fescue.

Allium moly 'Jeannine' is a special form with bolder colour and more flowers.

Allium nigrum produces cool half spheres of white flowers with greenish-black centres offering a unique look in the garden.

Allium obliquum has blue stems to 3 feet holding sulphur yellow spheres of tiny florets. This is a rare and choice species.

Allium oschaninii 'French Gourmet' is a small, round shallot with yellow papery skin.

Allium pskemense is a rare species with dramatic, inflated, blue-green leaves topped with white spheres in summer.

Allium rosenbachianum is an early-blooming large globe ornamental onion with four inch wide, dark violet spheres on three foot stems.

Allium sativum var. ophioscorodon is a curious form of garlic with twisting stems that create a cool sculptural effect in the garden.

Allium schubertii has rosey purple, star-shaped flowers arranged like an exploding firework that can be as big as a volleyball!

Allium schubertii 'Arctic Snow' has white star-shaped flowers arranged like an exploding firework that can be as big as a volleyball!

Allium scorodoprasum 'Art' is a zany and unique ornamental onion with open flower heads of magenta-red florets and little bulbils!