Allium
Large-flowered alliums are great to combine among perennials in the border. The leaves of the Allium start dying off before flowering time. This is the moment when the flower bulb starts to ripen and has almost finished growing. If the Allium is planted among perennials, you can camouflage the dying leaves among the other plants and it will be less noticeable.
Large-flowered Alliums can stay in the ground for several years. As long as the flowering remains beautiful, leave them in place. If the flowering diminishes, that's the time to dig up the bulbs after flowering. In summer, keep the bulbs warm and dry. If the bulbs are still in good condition, they can be replanted elsewhere in the garden in autumn.
Plant Allium in a sunny spot in well-drained soil.
The small-flowered Alliums are ideally suited for naturalising in a sunny spot in permeable soil. With the exception of Allium triquetrum and Allium ursinum, which also thrive in a (semi-)shaded spot.
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Allium 'Ambassador'®
A large flowering violet blue Allium with very strong stems. Height 120 cm. Flowering period: June.
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Allium 'Cameleon'®
White fading into pink at the top, height 20 cm. -
Allium 'Firmament'
Beautiful purple Allium, height 70 cm. -
Allium 'Forelock'®
Maroon with a purple “crest”, striking flower. Height 60 cm. -
Allium 'Gladiator'
Early flowering lilac purple Allium, height 100 cm. -
Allium 'Globemaster'®
A large Allium (100 cm.) with very big lilac flowers. One of the best of the large flowering alliums. Flowering time: more than 5 weeks. -
Allium 'Hair'®
Reddish-purple bulbils with unusual green blades, height 30-40 cm. -
Allium 'Lucky Balloons'
Originated from A. karataviense x A. hollandicum. Several flower stems appear from a bulb, an average of three per bulb, on which the spherical inflorescences with light purple-pink flowers emerge. -
Allium 'Mercurius'
Sturdy Allium, the straight stems bear a hemispherical purple umbel. Excellent cut flower. -
Allium 'Miami'
The hemispherical umbel with its flat base is composed of glossy, star-shaped crimson flowers. Excellent cut flower. -
Allium 'Millenium'
Compact growing shape, solid gray-green leaves in which from July the numerous purple-red spherical inflorescences appear. -
Allium 'Mount Everest'
White, height. 100 cm. The best large flowered white Allium. -
Allium 'Ostara'
A cross between A. karataviense and A. atropurpureum makes this cultivar to a 40 cm. high karataviense shaped plant with atropurpureum coloured flowers. -
Allium 'Party Balloons'
A recently introduced cultivar with the special feature that several flower stems appear per bulb. Good to use between low plants and in pots. -
Allium 'Purple Rain'
Powerful purple-red color, beautiful transparent sphere with shiny star-shaped flowers. Multiplies quickly. -
Allium 'Purple Sensation'
(Allium aflatunense 'Purple Sensation'). Large-flowered purple Allium, height 80 cm -
Allium 'Summer Beauty'
A rich- and exuberant growing selection. During the entire summer it shows many globular flowers. -
Allium 'Summer Drummer'
Late summer flowering, purple red Allium. Height 175 cm. -
Allium 'Toabago'®
Previously offered as Allium 'Spider'. A cross between A. schubertii and A. atropurpureum. The result is a schubertii like flower but a bit smaller and darker. The height of 60 cm. makes it a good cut flower. -
Allium 'Violet Beauty'
A very nice violet Allium with an umbel of star shaped flowers, height 60-70 cm. -
Allium 'White Giant'
An extra tall white allium on sturdy 150 cm tall stems. -
Allium altissimum 'Album'
The white spherical flowers on tall stems are followed by decorative seed pods that remain attractive for a long time after flowering. -
Allium altissimum 'Goliath'
Previously offered as A. 'Samson'. A special selection of A. altissimum with all the same height and flower size. Height 200 cm. Flower size 10-12 cm. -
Allium amethystinum 'Red Mohican'
Summer-flowering burgundy allium in which a crest develops during flowering from which white flowers emerge. -
Allium amplectens 'Graceful Beauty'
Allium, round umbels with white flowers. -
Allium atropurpureum
A late-flowering, purple-red Allium. Height 60-80 cm. -
Allium caeruleum
Syn. azureum, sky-blue, height 60 cm. -
Allium carinatum ssp. pulch. 'Album'
Pending white flowers, flowering-time: July-August. Height 40-50 cm. -
Allium carinatum subsp. pulchellum
Pending purple-pink flowers, flowering-time: July-August. Height 40-50 cm. -
Allium carolinianum 'Rosy Dream'
Strong flower stalk with a spherical inflorescence of about 3 cm, which is densely covered with dark pink, scented flowers. -
Allium cernuum
Violet pink with pending flowers. Both leaves and flowers are edible. Height 40 cm. -
Allium chloranthum 'Yellow Fantasy'
Elegant umbel with numerous green-yellow flowers. Looks like A. flavum but flowering time is over a month earlier. -
Allium christophii
Albopilosum. Lilac, large flowered Allium. Excellent for drying. Height 40 cm. -
Allium cowanii
Snow-white flowers. The flowers appear in April-May. Suitable for naturalizing. Height 40 cm. -
Allium flavum
Golden yellow, height 35 cm. Pending flowers. -
Allium giganteum
Violet, large flower, height 150 cm. -
Allium karataviense
Pale lilac (almost white), height 20 cm. -
Allium karataviense 'Ivory Queen'
Dutch selection, large globes with ivory white flowers. Decorative blue-gray, broad leaves. -
Allium karataviense x 'Red Giant Star'
Selection with pink-red flowers, large gray-green foliage. Height 15-20 cm. -
Allium moly
Syn. luteum, golden yellow, bulb size 5/+, height 30 cm. -
Allium nigrum
Syn. multibulbosum, white, height 70 cm. -
Allium nigrum 'Pink Jewel'
A tall, pale pink Allium with half-rounded flower heads and dark flower stems. Slightly variable. -
Allium obliquum
Height 60-90 cm. Nice but rather small round flower heads in greenish yellow, flowering period: June-July. -
Allium roseum
Satin-pink flowers, height 40 cm. -
Allium schubertii
Violet-pink, large flower, rather strangely shaped. Excellent for drying. Height 40-50 cm. -
Allium schubertii 'Arctic Snow'
A white flowering form of Allium schubertii. Large 'spiky'-shaped inflorescence, very suitable as a dried flower. -
Allium scorodoprasum 'Art'®
Green blades appearing between small purple bulbils. Height 100-110 cm. -
Allium sphaerocephalon
Drumsticks, purple, excellent cut flower and good for drying, height 80 cm.