Onion. A bulbous perennial with mid-green leaves, which die back before flowering. Dense umbels of star-shaped, bright blue flowers on stiff stems. Max Height 80cm. Max Spread 15cm. Full sun. Hardy. Plant in hole large enough to avoid disturbing root ball.
Allium caeruleum
A bulbous perennial with mid-green leaves, which die back before flowering. Dense umbels of star-shaped, bright blue flowers on stiff stems.
Additional information
| Generic | Allium |
|---|---|
| Species | caeruleum |
| Varietry | |
| Common Name | Onion |
| Flower Colour | blue |
| Soil | Fertile |
| Aspect | Full sun |
| Foliage | Deciduous |
| Height | 80cm |
| Family | Liliaceae |
| Spread | 15cm |
| Growth Speed | |
| Growth Habit | Upright |
| Fragrance | FALSE |
| Foliage Colour | green |
| Flowers From | |
| Colour Fruit | |
| Fruits When | |
| Moisture | Well drained |
| Protection | |
| Hardiness | Hardy |
| Planting | Plant in hole large enough to avoid disturbing root ball |
| Care | |
| Border | Border |
| Toxicity | |
| Pruning | |
| Pruning Time | |
| Pests and diseases | |
| Maintenance | |
| Propagation |
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