This tall, distinguished and attractive species from Xinjiang, Mongolia, Kazakstan and southern Russia has compact spherical umbels of yellow pom-pom flowers on strangely curled and twisted stems in early summer. Indeed, some people cannot believe it is an ornamental onion. ... Learn More

Sizeable, truly impressive heads of deep purplish pink flowers display darker mid veins on this beautiful, sweetly scented flower. This is one of the very best and really valuable alliums. Few seeds collected. RHS Award of Garden Merit. ... Learn More

This superb, easy, alpine or garden species has bright, hot-pink to magenta flowers with the stamens sticking out from each flower making the flower ball look fluffy. Thick, flattened, sickle-shaped, blue-green leaves persist until well after flowering. It is native to north eastern California and nearby parts of Oregon and Nevada where the leaves, bulbs, and seeds were utilized as food by the Paiute people. ... Learn More

Attractive rounded heads of green-white flowers open from June to August on thick inflated stems. A rare and very lovely plant, originally collected from the Pskem range and Akbulak valley in Uzbekistan by the late great Plant Hunter Jim Archibald with his wife Jenny. It has also apparently been sold as A.cepa 'Kew White'. Few good seeds. ... Learn More

Flowering in June, ample heads of pure white flowers have red veins running down the backs of the tepals, and although this is sometimes confused with Allium tuberosum it is not weedy or agressive. A beautiful, early flowering, clump forming variety, which is native to Siberia, China and Kazakhstan, and is very showy in beds, borders or rock gardens. ... Learn More

This splendid and quite exceptional summer-flowering species has strap-like leaves and huge, four to five inch spherical umbels packed with star-shaped, rose-violet flowers with protruding violet stamens. Quite a magnificent garden plant which will produce offset bulbs, and also a lovely cut flower. ... Learn More

Extremely pretty, open clusters of pale to rich pink flowers open above clumps of strap-shaped foliage. Flowering in late spring or early summer, it is useful for bridging the flowerless gap, creating pockets of colour in the garden. Whether in patio pots, or creating drifts through the front border, it will slowly spread to form impressive colonies. Very few good seeds collected. ... Learn More

These edible violet flowers attract bees and butterflies, and are often used in ornamental dry bouquets. It is native to Europe, Asia and North America, indeed it is the only species of allium native to both the New and the Old Worlds. ... Learn More

In May and June this amazing plant bears the largest flowers of all of the allium family with the absolutely enormous 12 to 18 inch heads producing hundreds of rose-pink flowers on stems of different lengths! When the flowers die they are replaced by huge, beach-ball-sized seed heads of radiating stems resembling an exploding firework, which make the most impressive dried flowers. This plant is perfect for front borders or large pots and containers. ... Learn More

An unusual ornamental onion with thin, strap-like foliage that tends to twist. It produces up to thirty, large, dense, long-lasting pink or lilac flowers on numerous stems in mid to late summer. ... Learn More

Allium sibthorpianum, commonly known as Sibthorp’s Onion or Dwarf Onion, is a low-growing, hardy perennial prized for its delicate clusters of star-shaped, pale pink to rosy-purple flowers. Blooming in late spring to early summer, this compact species thrives in rock gardens, alpine settings, or dry, well-drained soils where larger plants might struggle. Its narrow, grass-like leaves remain attractive throughout the growing season, adding texture and color to the garden even after flowering has finished. This drought-tolerant plant is ideal for gardeners seeking a low-maintenance yet visual ... Learn More

This tiny alpine makes a tight clump with nodding umbels of striking, cobalt-blue flowers with linear mid-green leaves, in early summer. This plant offers a valuable departure from the more usual pinks and mauves! ... Learn More

This quite unique, summer-flowering plant has straight, slender stems, topped by egg-shaped flower heads as opposed to the usual conical sphere, that start off completely chartreuse-green before turning maroon-claret at the tip and finally becoming overall deep reddish purple. Flowering begins in of July, much later than most purple and lavender alliums and last for many weeks. ... Learn More

Flowering late in the autumn, this unusual, rarely-offered dwarf, has rough-edged linear leaves of blue-green below trusses of rose pink flowers, each of which has a purple stripe on the petals. It will do well in anything from cool and moist to hot and dry, and this free-flowering form is worthy of a space in the rock garden and is even suitable for the smallest of troughs. ... Learn More

Large, globular clusters of yellow-eyed, starry white flowers open on long, strong stems in early summer over short-leaved rosettes of strap-shaped, grey-green leaves. One of the larger alliums ideal for a mixed border. ... Learn More