Bulbs, Perennials, Weeds > Allium > Allium caeruleum > Allium caeruleum
Allium caeruleum
Blue Globe Onion or Blue Ornamental Onion
Origin: Native to Siberia and Turkestan.
| Family |
| Amaryllidaceae |
| Genus |
| Allium |
| Species |
| caeruleum |
| Category |
| Bulbs, Perennials, Weeds |
| USDA Hardiness Zone |
| 4a - 8b |
| Canadian Hardiness Zone |
| 2a - 8a |
| RHS Hardiness Zone |
| H4 - H7 |
| Temperature (°C) |
| -32 -(-7) |
| Temperature (°F) |
| -25 - 20 |
| Height |
| 30 - 60 cm |
| Spread |
| 15 - 30 cm |
Photographs
Cultivars
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Awards
Description and Growing Information
Flowering Period
| General Description |
| Garlic scented bulbous, herbaceous perennial. |
| Landscape |
| Plant in tight groups for best effect. May also be used for forcing and containers. |
| Cultivation |
| Best grown in fertile well-drained soil. |
| Growth |
| Fast |
| ID Characteristic |
| Cylindrical basal leaves with bell-shaped flowers. |
| Pests |
| Onion white rot and downy mildew. |
| Notable Specimens |
| The A.M. Cuddy Gardens, Strathroy, Ontario, Canada. |
| Propagation |
| By seed or division of bulb offsets when dormant. |
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