Allium
'Millenium'
Ornamental Onion
Family |
Amaryllidaceae |
Genus |
Allium |
Cultivar |
'Millenium' |
Category |
Bulbs, Perennials |
USDA Hardiness Zone |
5 - 8 |
Canadian Hardiness Zone |
4a - 8a |
RHS Hardiness Zone |
H4 - H7 |
Temperature (°C) |
-29 - (-7) |
Temperature (°F) |
-20 - 20 |
Height |
30 - 45 cm |
Spread |
30 - 45 cm |
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. |
Growth |
Fast |
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. |
Propagation |
By division. |