Darkest of all the ornamental onions, blackish-purple flowers in dense heads.
Potted bulbs are sent from November onwards (once rooted), each pot containing three flowering size bulbs.
Allium atropurpureum
Details
| Aspect | Full sun |
| Flower Colour | Purple |
| Flowering Period | Jun | Jul |
| Foliage | Not evergreen |
| Goes Well With | Euphorbia, Geranium, Stachys |
| Growth Habit | Upright |
| Hardiness | Fully hardy |
| Height | 90cm |
| Soil | Light, well-drained |
| Spread | 15cm |
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