Bulbs, Perennials > Allium > Allium 'Globemaster'
Allium
'Globemaster'
Globemaster Ornamental Onion
Origin: A Dutch cross found in 1966 between A. macleanii from Afghanistan and A. cristophii from Iran.
| Family |
| Amaryllidaceae |
| Genus |
| Allium |
| Cultivar |
| 'Globemaster' |
| Category |
| Bulbs, Perennials |
| Synonyms |
| Amaryllidaceae |
| USDA Hardiness Zone |
| 5a - 8b |
| Canadian Hardiness Zone |
| 4a - 8a |
| RHS Hardiness Zone |
| H4 - H7 |
| Temperature (°C) |
| -26 -(-7) |
| Temperature (°F) |
| -15 - 20 |
| Height |
| 0.5 - 1m |
| Spread |
| 0.1 - 0.5m |
Photographs
Awards
Description and Growing Information
Flowering Period
| General Description |
| Large bulbous, garlic scented perennial. |
| Landscape |
| Plant the bulbs in groups for the greatest impact. Since the leaves start to fade about the time the flowers are in full bloom, place the plants behind others to hide the foliage. Alliums are great flowers for the transition period between spring and summer, when the spring flowers are waning and the summer flowers are not quite in full swing. |
| Cultivation |
| Plant in fertile, humus rich, well-drained soil in full sun to partial shade. |
| Shape |
| Clumping. |
| Growth |
| Fast |
| ID Characteristic |
| Grey green leaves with spherical purple flowers on long stems. |
| Pests |
| Bulb rot can occur during our damp conditions of autumn through spring. Onion fly and thrips may be a problem. |
| Habitat |
| Horticultural origin. |
| Leaf Description |
| Long, strap-shaped, green leaves. |
| Flower Description |
| Clusters of deep violet flowers forming a globe shape, 15-20 cm across. Each bloom is composed of approximately 1000 lavender coloured florets. It does not tend to produce seed. |
| Propagation |
| Remove offsets in autumn and plant. |
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