Allium 'Mont Blanc' has large, white spheres the size of baseballs on 3-4 foot stems.

Allium 'Mount Everest' is a vigorous, long-lasting cultivar with white, baseball-sized spheres atop three foot tall stems.

Allium 'Ostara' is a new hybrid with dramatic leaves that remain green through flowering and large, deep reddish purple spheres on 16 inch stems.

Allium ‘Party Balloons’ offers huge lavender spheres up to eight inches across often with 2-3 spheres per bulb!

Allium 'Peek-a-Boo' provides summer interest with lavender-purple flowers and green strap-like foliage.

Allium 'Pinball Wizard' hails from the same cross as the classic 'Globemaster' producing 6-8 inch wide lavender purple spheres on shorter stems to two feet tall.

Allium 'Ping Pong' has unusual, fuzzy looking spheres of white flowers opening from buds tinged pink.

Allium 'Pink Jewel' produces distinctive pink spherical flower heads about 3 inches wide on stems to almost 3 feet high.

Allium 'Powder Puff' offers large lavender-purple heads the size of tennis balls atop short stems to about 20 inches tall.

Allium ‘Purple Rain’ produces semi-open spheres of grape purple, star-like florets on stems 3 feet high.

Allium hollandicum 'Purple Sensation' is a classic with medium sized, deep rosy purple spheres.

Allium 'Round and Purple' offers some of the largest flower heads in the world of ornamental onions reaching 6 inches or more across.

Allium 'Serendipity' forms two inch spheres on tall blue-green stems like rose-purple balloons floating in the summer garden.

Allium 'Spider' has the hugest flower heads like giant fireworks in the garden!

Allium 'Statos' (syn. 'Stratos') grows to 3-5 feet tall with large spheres of tiny, star-like, warm purple flowers.

Allium 'Summer Drummer' is one of the tallest of all ornamental onions with soaring stems up to six feet high with fragrant, lavender-purple flower heads.

Allium 'Violet Beauty' is a large ornamental onion with gorgeous, warm purple flower heads 4-6 inches wide on stems 2-3 feet tall.

Allium 'Windy City' has emerald green foliage and dense balls of rose purple buds opening to lavender pink flowers in early summer reblooming in late summer.

Nectaroscordum siculum ssp. bulgaricum is an onion relative forming loose umbels of delicate, bell-shaped flowers on tall stems.

Nectaroscordum tripedale is a rare onion relative that forms loose umbels of bell-shaped, glowing, light pink flowers on tall stems.