Allium 'Millenium' (Ornamental Onion)
Botanical Information
| Family | Amaryllidaceae |
| Genus | Allium |
| Cultivar | 'Millenium' |
| Category | Bulbs, Perennials |
| Origin | Introduced by Mark McDonough. |
Details
| USDA Hardiness Zone | 5 - 8 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 4a - 8a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H4 - H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -29 - (-7) |
| Temperature (°F) | -20 - 20 |
| Height | 30 - 45 cm |
| Spread | 30 - 45 cm |
| Growth | Fast |
| Flowering Period | July, August |
Description and Growing Information
| Propagation | By division. |
| Cultivation | Grows in dry moist, well-drained soil in full sun to partial shade. Can tolerate a wide range of soils such as clay or sandy soil. |
| Pests | Bulb rot, mildew, rust and leaf spots. |
| Habitat | Horticultural origin. |
| Flower Description | Glossy, flat, dark green leaves. |
| Fruit Description | Light purple flowers growing in clumps on tall stems above the foliage with a strong onion aroma. |