Allium stipitatum 'White Giant' is the tallest of the white ornamental onions with huge 6-8 inch wide, pure white spheres.

Allium 'Ambassador' has fantastic six inch spheres on tall stems like magenta-purple balloons floating above the June garden.

Allium 'Beau Regard' is a gargantuan ornamental onion with lavender-purple spheres up to 8-10 inches across on stems 3-4 feet tall!

The impressive Allium ‘Dutchman’ can produce lavender purple spheres up to 8 inches across on stems 2-3 feet high.

Allium 'Gladiator' has large, fragrant lavender-purple spheres the size of soft balls on 3-4 foot stems.

‘Globemaster’ is absolutely one of the best alliums with sparkling silvery pinkish purple softball to volleyball sized flowers.

Allium 'In Orbit' is an ornamental onion that forms 3 inch wide drumstick spheres of lavender-purple.

Allium 'Medusa forms rounded clusters of light amethyst purple flowers that rise above low mounds of grey-green, twisty foliage.

Allium 'Medusa's Hair' is an ornamental onion with snake-like, green foliage and purple flower spheres.

Allium 'Metallic Shine' makes spectacular, metallic purple blooms 10-12 inches wide composed of hundreds of loose, star shaped flowers.

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

Allium 'Mont Blanc' has large, white spheres the size of baseballs on 3-4 foot 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 '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 '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 'Violet Beauty' is a large ornamental onion with gorgeous, warm purple flower heads 4-6 inches wide on stems 2-3 feet tall.

Ammocharis nerinoides is a rare amaryllis relative endemic to Namibia with extremely fragrant white and pink flowers.

Tiers of intense deep blue flowers hang from the upright stems of Anchusa 'Dropmore' in spring and summer. Hot, dryish spots with good winter drainage.

Anchusa 'Loddon Royalist' is a borage relative with royal blue flowers for hot sunny gardens.

Anemone blanda 'Blue Star' is a Grecian windflower with bright blue flowers.

Anemone blanda Grecian Mix is a cheerful blend of white, pink, and blue forms.