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. |