Allium triquetrum, three-cornered leek, is a rare, edible species tolerant of shade with loose clusters of white, bell-shaped flowers.

Allium 'Cameleon' has charming, playful flower heads that emerge dusky pink and fade to white with pink veining.

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

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

Allium 'Lavender Bubbles' is an ornamental onion with dark purple, bubble-shaped flowers and blue-green twisty foliage.

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 'Mercurius' forms tall, 2-3 foot stems topped with half globes in a rich, saturated shade of raspberry wine.

Allium 'Miami' forms tall, 2-3 foot stems topped with half orbs of rich purple, star shaped flowers loosely arranged in 3-4 inch heads.

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

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

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.

Alstroemeria Inca 'Bandit' is a Peruvian lily with masses of tropical looking, bright red blooms from early summer to fall.

Alstroemeria Inca 'Gold Rush' is a Peruvian lily that has dreamy, tropical-looking flowers in sunshine yellow with hints of red.

Alstroemeria Inca Husky is a Peruvian Lily with tropical looking flowers in sunset shades of apricot, yellow and deep pink.

Alstroemeria Inca 'Ice' is a Peruvian lily with soft apricot-pink flowers with a yellow throat, brown speckling and red stamen filaments.

Alstroemeria Inca Joli is a Peruvian lily that blooms for months on compact plants with a raging inferno of flowers.

Alstroemeria Inca 'Lolly' is a Peruvian lily that has luscious hot reddish pink flowers that last all spring and summer.