Millenium Ornamental Onion

Allium 'Millenium'


A spectacular ornamental onion forming an upright clump of glossy green, thick, strappy leaves; a profusion of lilac-purple rounded clusters of flowers in mid-summer; impressive when massed in groupings; great as a long lasting cut flower

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Features and Growing Tips

Note: Each live plant is unique and may differ from the photo while maintaining its beauty. Plants come in a plastic pot; other items in images are not included.

Planting and Growing

and under ideal conditions can be expected to live for approximately 5 years. As an herbaceous perennial, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen! As this plant tends to go dormant in summer, it is best interplanted with late-season bloomers to hide the dying foliage., Millenium Ornamental Onion will grow to be about 12 inches tall at maturity extending to 20 inches tall with the flowers, this plant will usually die back to the crown each winter, with a spread of 15 inches. It grows at a medium rate

as a cultivated variety, be aware that it may be subject to certain restrictions or prohibitions on propagation., but will not tolerate standing water. It is not particular as to soil type or pH, This plant should only be grown in full sunlight. It does best in average to evenly moist conditions

Plant Facts

Prefers full sun

Deer Resistant

Keep moisture level average to moist

Mature Size 12"(20"withtheflowers)Hx15"W

Cutflower Favorite

Flowers are lilac with soft fragrance

Flowers in mid summer

Attracts butterflies

Zone 4b

Likes well drained soil