Bulbs, Perennials > Allium > Allium senescens > Allium senescens subsp. glaucum
Allium senescens
ssp. glaucum
German Garlic, Circle Onion
Origin: Native to Europe and northern Asia.
| Family |
| Amaryllidaceae |
| Genus |
| Allium |
| Species |
| senescens |
| Category |
| Bulbs, Perennials |
| Subspecies |
| glaucum |
| USDA Hardiness Zone |
| 4 - 8 |
| Canadian Hardiness Zone |
| 5 - 9 |
| RHS Hardiness Zone |
| H7 |
| Height |
| 15 - 30 cm |
| Spread |
| 15 - 30 cm |
Photographs
Description and Growing Information
Flowering Period
| Landscape |
| Rock gardens, border fronts, herb gardens and ground cover. |
| Cultivation |
| Full sun to partial-shade. Medium moisture but well-drained soil. Deer, drought and black walnut tolerate. Harvest stems when half of the umbels florets are in open bloom. |
| Shape |
| Bulbous and upright. |
| Growth |
| Medium |
| Leaf Description |
| Swirling and twisting. |
| Flower Description |
| Florets appear in globular clusters, 2 - 3 cm in diameter and will rise above the foliage in mid-summer. Typically blooms several weeks earlier than species plant. |
| Colour Description |
| The leaves are a bluish-grey and greyish-green colour. The flowers are a purplish-white colour. |
| Notable Specimens |
| The A.M. Cuddy Gardens, Strathroy, Ontario, Canada. |
| Propagation |
| Self seeding and division of clumps in early spring.. |
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