Allium nutans
Siberian Chives, Blue Chives, Ornamental Onion, Flowering Onion
Family |
Alliaceae |
Genus |
Allium |
Species |
nutans |
Category |
Bulbs, Perennials |
RHS Hardiness Zone |
H6 |
Temperature (°C) |
-20 - (-15) |
Height |
30 - 60 cm |
Spread |
15 - 45 cm |
Landscape |
Container planting, massing, rock gardens and borders. |
Cultivation |
Full sun to partial-shade. Grows well in loam, chalk, sand and clay soils. Moist but well-drained with acidic, alkaline and neutral pH levels. |
Shape |
Columnar or Upright. 2 - 5 years to reach full growth size. |
Pests |
Mostly disease resistant but onion white rot and downy mildews may occur.. Susceptible to slugs and snails. |
Habitat |
Costal areas to drought-prone areas. |
Leaf Description |
Leaves are linear, flat, strap-shaped or cylindrical and tapering at both ends. 30 cm tall. |
Flower Description |
Bulbous, pom-pom-like, star-shaped or bell-shaped in an umbel. Have a strong onion or garlic scent. |
Colour Description |
The flowers are a pinkish-purle but can sometimes appear almost white. The leaves are a greyish-green colour. |
Notable Specimens |
The University of Alberta Botanic Garden, Devon, Alberta, Canada. |
Propagation |
Seed and division. |