A butterfly magnet, Allium ‘Millenium’ is a bulbous perennial with profuse, large, rounded umbels, 2 in. across (5 cm), tightly packed with bright rosy purple flowers. Blooming in mid to late summer, the luminous flowers are borne on sturdy, upright stems just above the attractive foliage clump of onion-scented, grass-like, glossy deep green leaves, which remain attractive all season long. The flowers are both long-lasting (up to 4 weeks) and excellent as cut flowers. This Allium is not bothered by heat and reseeding is much less a problem than in other alliums.
Hundreds of Allium species exist, but only a few have made a name for themselves as garden plants. The ornamental onions distinguish themselves by their remarkable diversity in color, inflorescence, and flowering height. Many species bloom in early summer – just after the spring-flowering period and just before the exuberant full bloom of summer. Certain small species are just perfect for a rock garden, and several lend themselves to naturalizing. All species can be used in the border.
| Hardiness |
4 - 9 |
|---|---|
| Heat Zones |
1 - 10 |
| Plant Type | Bulbs |
| Plant Family | Amaryllidaceae |
| Genus | Allium |
| Common names | Onion, Ornamental Onion |
| Exposure | Full Sun, Partial Sun |
| Season of Interest |
Summer (Mid, Late) |
| Height |
1' - 2' (30cm - 60cm) |
| Spread |
10" - 2' (25cm - 60cm) |
| Spacing |
10" - 15" (25cm - 40cm) |
| Maintenance | Low |
| Water Needs | Average |
| Soil Type | Chalk, Clay, Loam, Sand |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Moist but Well-Drained, Well-Drained |
| Characteristics | Cut Flowers, Fragrant, Plant of Merit, Showy |
| Tolerance | Drought, Deer |
| Attracts | Bees, Butterflies |
| Garden Uses | Beds And Borders, Patio And Containers |
| Garden Styles | Gravel and Rock Garden, Informal and Cottage |
| Hardiness |
4 - 9 |
|---|---|
| Heat Zones |
1 - 10 |
| Plant Type | Bulbs |
| Plant Family | Amaryllidaceae |
| Genus | Allium |
| Common names | Onion, Ornamental Onion |
| Exposure | Full Sun, Partial Sun |
| Season of Interest |
Summer (Mid, Late) |
| Height |
1' - 2' (30cm - 60cm) |
| Spread |
10" - 2' (25cm - 60cm) |
| Spacing |
10" - 15" (25cm - 40cm) |
| Maintenance | Low |
| Water Needs | Average |
| Soil Type | Chalk, Clay, Loam, Sand |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Moist but Well-Drained, Well-Drained |
| Characteristics | Cut Flowers, Fragrant, Plant of Merit, Showy |
| Tolerance | Drought, Deer |
| Attracts | Bees, Butterflies |
| Garden Uses | Beds And Borders, Patio And Containers |
| Garden Styles | Gravel and Rock Garden, Informal and Cottage |
How many Allium ‘Millenium’ (Ornamental Allium) do I need for my garden?
| Plant | Quantity | |
|---|---|---|
| Allium ‘Millenium’ (Ornamental Allium) | N/A | Buy Plants |
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Create a membership account to save your garden designs and to view them on any device.
Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas.
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